Amanda Holden reveals secret EastEnders cameo

Simon and Amanda have had THE FLIRTIEST relationship over their many series' presenting Britain's Got Talent together, with Amanda once calling him the "naughtiest man I know" and admitting "I'll always love him". "We've gone from having a massive laugh about things, to both going through very personal things that have been horrendous. But we've supported each other in that, and come out at the other end", she told Closer.

Following his split from wife Demi Moore, Ashton Kutcher hit the ground running on the dating market and in 2012 had "an eight week fling" with the year's hottest bachelorette, Rihanna. "The flirting began as soon as Rihanna and Ashton met and swapped numbers. That moved onto texts and arranging to meet. They snuck off to a santa Monica hotel a few weeks ago," a source told The Sun at the time. "They are two single people having a fling, so thought it would be best to meet in secret."

In news you may not have known about but will be pleased you do now, Hollyoaks star Stephanie Davis dating a baby Zayn Malik for five months at the start of his career - and was still in contact with him during her pregnancy with Caben Albi four years later. "We dated for five months in 2011 just before he started seeing Perrie," she said."We actually broke up because I found out he had been meeting up with Perrie. It was just one of those things."Zayn is a good lad really, I don't have anything bad to say about him."

This is the wonderful story of the Hollywood A Lister and humble folk musician who began as PEN PALS (yes, really) at Church camp as children, before reuniting as adults in 2012 and going on to marry and have a baby. And they say fairytales aren't real.

Topshop heiress and Chelsea royalty Chloe Green dated the world renowned restauranteur and ex-husband of Jennifer Lopez, Marc Anthony, in 2013. At 22 years her senior, Marc was said to be taking style advice from Chloe, who was indeed down with the kids.

We liked this coupling, even though it wasn't to last. British pop sensation Rita revealed she'd dating funk-soul singer Bruno in 2015, admitting, "We were so happy together.""We met in 2009. I was 18 and starting out at Roc Nation. Bruno was unknown back then too," she said,"He was a struggling songwriter hired to write songs for me," the 21 year-old explained. "I thought, 'Wow, that's just the world's greatest guy!'"

After his split from Step Up co-star Jenna Dewan, with whom he shares a daughter, Channing quickly hooked up with Jessie J - who fans were quick to point out was the very spit of his ex-wife, leading Jessie to release a statement. The pair are still going strong.

Long after Ray Jay but well before Kanye West, Kim Kardashian's world was rocked when Nick Cannon claimed they'd slept together. Nick made the claims about the historic encounter in 2014, thought to contribute to the break down of his marriage to Mariah Carey.

So the Love Islander and the pop star might not seem like the most unlikely pairing, but their illicit dalliance certainly caused controversy when it emerged that Myles had enjoyed a fling with Malin, before embarking on a relationship with another Love Island star Gabby Allen just months later.

Robbie's wife Ayda Field revealed on an appearance on Loose Women that a 'chance flirtation' with Cameron at a hotel lead to them actually giving their marriage another go, when they were on the verge of divorce. "He went to the Chateau Marmont and got talking to Cameron Diaz," she said. "While they were talking, she said to him, 'You obviously still love your girlfriend, you need to go home to her'."And he did. I always have a special place for her in my heart now."

Esteemed Game Of Thrones and Me Before You actress Emilia Clarke admitted in 2016 that she dated Family Guy creator Seth MacFarlane in 2013.

Simon Cowell's made something of a side hustle out of bedding eligible women - and former playboy model and lads mag pin up Carmen was no exception. After meeting on the judging panel of Britain's Got Talent in 2012, the couple went on to have a year long fling.Things reportedly ended when Carmen caught Simon with now-wife Lauren Silverman. "Carmen was at Simon's house in L.A. when she literally busted him with Lauren," a source told E! News. "Simon called her a friend, but there was nothing platonic about what was going on, if you know what I mean."

We had high hopes for these two, but in hindsight, we've no idea why. Recovering alcoholic and drug addict Russell, who's been sober since 2002, wed all American quirky pop princess Katy in 2010. But it wasn't to last, with their marriage breaking down just two years later and Russell calling Katy "a vapid, vacuous celebrity". Ouch.

AND THEN, Russell embarked on a two week fling with Spice Girl Geri Halliwell - before she married her super rich Formula One boss boyfriend Christian Horner in 2014.After getting heckled at a gig about their romance, Russell said, "Look, give me a year and I'll turn it into good material for you."

We've already mentioned the fact that Chloe Green is Chelsea royalty, so OBVIOUSLY she starred on Made In Chelsea. During her short time on the show, she dated long-haired lothario Ollie - who later came out at bisexual and is now engaged to a man with the same last name as him, which is weird.

Actress Michelle went public with her relationship with supermodel Cara in 2014, with a source saying, "It's still really fresh and exciting for both of them. They're really happy and loved-up, and spending as much time together as possible."

You didn't think we'd forgotten about these two, did you? Caroline raised some serious eyebrows when she started dating teenager Harry during is One Direction days, when she was in her 30s. She said, "I'm not going to ever apologise for it because there was nothing at the time that was serious or bad and nobody was getting hurt."

Considering Michelle made her career playing the sexy, bad ass female lead, it made us chuckle when she began dating squeaky clean teen heartthrob Zac in 2014, after the tragic breakdown of Zanessa. RIP.

In a similar vein of squeaky clean meets dark and edgy, Former Blue Peter Konnie presenter married Black Mirror creator Charlie Brooker in 2010 after just nine months together. Speaking of their whirlwind romance, Charlie said, "'It was the best decision I ever made". Awh.

With the spotlight firmly on Caroline and Harry, Zayn and Rebecca's age gap relationship went largely unreported at the time. Zayn was thought to have dumped his pre-X Factor girlfriend Geneva Lane for her, who later branded him a "massive cock".

Jeremy rose to fame as Hot Felon after his mug shot for armed robbery went viral. Cue his imminent signing to a top modelling agency, overnight superstar status and the fairytale marriage to millionaire heiress Chloe with whom he now has a baby boy named Jaden.

After Coldplay singer Chris "consciously uncoupled" from his wife of more than ten years Gwyneth Paltrow in 2014, he hooked up with Hunger Games star Jennifer Lawrence. They went on to have an on-off relationship over the next couple of years, with a source telling People magazine, "Chris doesn't really want the relationship to end, but he needs to be flexible so he can see his family as much as possible with his own work schedule."He's crazy about Jen but wants to keep his own schedule and be able to do what he wants when he wants to do it."

Californian heartthrob - and son of Caitlyn Jenner - Brody dated brooding Canadian Sk8r girl Avril in 2011, but reportedly split due to their opposing views on marriage. "She wanted to settle down, but he wasn't exactly ready," said a source. "They had been having problems starting in the summer with her tour because she was on the road all the time."It put a strain on their relationship."