The 29-year-old wrapped up his solo tour at the Assembly Hall in Islington last night by announcing he is to become a father for the first time.
Taking to Twitter to confirm the news, DawBell tweeted: “Just announced he’s going to be a dad for the first time!
“Congratulations @charliesimo!! The crowd couldn’t have cheered louder!”
Anna was there supporting her man, and she shared a snap from the concert, simply adding: “Very proud wife”
Speaking to Closer Online last year, Charlie revealed all about his Kenyan-themed wedding ceremony.
He said: “My grew up in Kenya so it was a Kenyan themed wedding. So we had those massive yurts and had people camping, it was brilliant!
“And it was all sorts of African animal names like ‘Simba’ and ‘Pumba’ and the tables were all planned around Kenya, so it was cool.”
Speaking last year, ahead of promotion for his latest solo offering Long Road Home, Charlie revealed his desire to have a family.
He told the Express: “I want to go back to Europe and hopefully the back to the States because I love touring over there.
“And then I’m going to think about having kids at some point, I’m going to try and fit that into the schedule.”
Well, it looks like he got his wish – congratulations to Charlie and Anna!
Check out the top 50 most unusual baby names and their meanings below!
Top 50 most unusual baby names - and their meanings
Chester
Holly Willoughby bagged Chester - meaning 'fortress' - for her baby boy, so we imagine this comfortable, quirky and cuddly name will rise in popularity soon.
Pax
Meaning 'peaceful this unusual unisex name got a lot of publicity when chosen by Brad Pitt and Angelina Jolie for their Vietnamese-born son.
Constantine
Constantine, meaning "steadfast", is a distinguished name that has long been overlooked. But, as names such as Augustine and Atticus become more popular, it seems as if the Roman Emperor's name could be primed for a comeback...
Lev
This concise one-syllable name, meaning "heart" or "lion", has definite potential, being more unusual than the increasingly popular Levi.
Susannah
Susannah, meaning "lily", has an irresistible, flowing rhythm - and is a more stylish version of the traditional 'Susan' or 'Suzanne'.
Mirabelle
If you're looking for a 'belle' name that isn't 'Isabelle than why not try the lovely Mirabelle? Meaning 'marvellous it can be changed to 'Mirabella' or 'Maribel' - depending on what suits your little one.
Rio
Rio is a Spanish boy's name, meaning 'river'.
Theodora
This charmingly old-fashioned girl's name means 'gift of God' and has a wealth of nicknames available - think Teddy, Thea and Dora, to name but three!
CELEBRITY INSPIRATION: Robbie Williams named his little girl Theodora - nicknamed Teddy - Rose
Shepherd
A cute pastoral boy's name, Shepherd means exactly what you think it does - and can be shortened to the adorable Shep.
Rosalind
Rosalind - meaning 'pretty rose' - was made popular when Shakespeare used it for one of his heroines in 'As You Like It'.
Caspian
Caspian - taken from the name of the large sea between Asia and Europe - was used by C.S Lewis for the name of the hero of his children's novel, Prince Caspian, part of the Chronicles of Narnia series.
Zadie
Zadie means 'princess making it perfect for your little girl.
Ellison
Ellison, meaning 'benevolent is traditionally a boy's name - but could just as easily be used for a little girl.
Aviva
Aviva is a vivacious and memorable girl's name, meaning 'springlike, fresh, dewy'.
West
West is definitely shaping up well as a unisex name - but we imagine it will increase in popularity now that the Kardashian-Wests are in power!
Indigo
Indigo, a deep blue-purple dye from plants native to India, is particularly striking for both girls and boys.
Cleo
Cleo (meaning 'glory') is short, of course, for Cleopatra, one of the most powerful women in history. Sounds like a good choice to us...
Devon
Devon, spelled like the lovely seaside town, can be used for baby boys or baby girls - would you be tempted to use it for your own little one?
Aurelio
Aurelio is an exotic and energetic Italian boy's name, rarely heard in the UK, which means 'the golden one'. It can also be changed to Aurelia - just like in Love Actually - if you plan on using it for a baby girl.
Pilar
The girl's name 'Pilar' originated in the legend of the miracle of the Virgin Mary's appearance over a marble pillar, giving it a special sense of strength and elegance.
Baxter
The boy's name Baxter, meaning 'baker was last popular in 1886, meaning it's well time for a comeback.
Pippa
Pippa made headlines thanks to Kate Middleton's sister - but this cute name, meaning 'lover of horses is still an unusual one.
Willis
Almost never used in modern times, the boy's name Willis means 'resolute protection'.
Georgiana
Pronounced Geoge-ee-AH-na, this elaborately feminine girl's name means 'farmer' - and has cropped up in the likes of Jane Austen's Pride & Prejudice and 2008 film The Duchess. Very regal!
Octavia
Octavia - meaning 'eigth' - was popular in ancient Roman and Victorian times, and has a rich literary pedigree. Think Shakespeare's Antony and Cleopatra, for starters.
Zinnia
Zinnia is an edgy, energetic flower name - symbolising remembrance. We love it.
Teo
The Spanish version of Matthew, this unusual boy's name means 'gift of God'.
Winifred
This beautiful vintage girl's name, meaning 'blessed peacemaking has a choice of two nicknames; Winnie or Freddie.
Marguerite
Marguerite is a classic French girl's name, meaning 'pearl' or 'daisy'. Totally chic!
Roscoe
This quirky name - meaning 'deer forest is a fresh choice for a baby boy or girl.
Romy
Another unisex name with a lot of energy and bounce, this cool name means 'citizen of Rome'.
Nile
Nile, meaning 'champion is inspired by the famous Egyptian river and can be used for both boys and girls.
Juno
Juno, inspired by a Roman goddess named the 'queen of heavens is fresh, beautiful and unique. We love it.
True
Inspirational and aspirational, True means exactly what you'd expect - and can be used for both boys and girls. Nice!
Verity
This virtue name, meaning 'truth is the perfect fusion of old and new - it even made a brief appearance in Harry Potter!
Slater
This boy's name was made popular by 90s TV show Saved By The Bell, but has diminished in popularity since then. A shame, since this boy's name has a seriously friendly and genial feel.
Tierney
Celtic unisex name Tierney means 'descendant of a lord making it a fine choice for any new parents.
Lulu
We love the name Lulu (which means 'pearl') - it's so energetic, vivacious and fun!
Penn
This simple, elegant boy's name - meaning 'enclosure' - is VERY distinctive, isn't it? No wonder it made it into Gossip Girl!
Snow
This girl's name feels brisk, fresh, pure, evocative - and magical. We imagine fans of Frozen will love it!
Cassidy
This unisex name - meaning 'curly-headed' - is an Irish cowboy name that packs a punch.
Greer
This glam Scottish name, meaning 'alert and watchful is a strong and sophisticated choice for any little girl.
Henrietta
With plenty of vintage charm, Henrietta - meaning 'estate ruler'. has a number of charming nicknames, including Etta, Hetty and Hattie.
Baker
This hip occupational name is fresh and friendly-sounding; perfect for a little boy.
Millicent
Millicent is a sweet and feminine girl's name, meaning "strong in work", and in definite need of a comeback.
Auden
Auden is a poetic and old-fashioned unisex name, meaning 'old friend'.
Stellan
Stellan is a strong, attractive, Scandinavian boy's name, meaning 'calm'.
Leopold
This aristocratic boy's name - meaning 'brave people' - is an interesting Germanic one. Think 'Leo' for short!