The presenter, 33, and singer Mariah, 44, ended their six year marriage last month and Nick has insisted he's doing fine.
GALLERY: MARIAH CAREY TO KATIE PRICE – CELEBRITIES WHO OVERCAME DOMESTIC VIOLENCE
He told the Mirror: "I feel great thanks, I'm healthy and I'm happy."
According to the reports, Nick was appearing at a charity even in LA, accompanied by R&B signer Toni Braxton, not looking like someone who is currently going through divorce.
READ: MARIAH CAREY 'STARTS DIVORCE PROCEEDINGS' AS NICK CANNON SAYS: "I WILL ALWAYS LOVE HER"
Meanwhile Mariah is said to be taking the split badly. The superstar, who is mum to their three-year-old twins Moroccan and Monroe, has been leaning on film director Brett Ratner.
The pair previously worked together on some of Mariah's music videos, and it is thought he is offering her a shoulder to cry on, with a source saying: "They speak frequently."
Friends of Mariah reportedly have fears she's on the verge of a breakdown as she struggles to come to terms with the split.
READ: NICK CANNON HAS 'NEW GIRLFRIEND GOLDEN BARBIE' FOLLOWING MARIAH CAREY SPLIT
As if the break-up wasn't enough, her latest album also became her poorest selling to date leaving friends worried she could end up in hospital again.
In 2001 she spent time in hospital for psychiatric care, and an insider told a US magazine: "She has a history of mental issue."
Nick allegedly wanted to end things with Mariah months ago, but was afraid she would go into meltdown if he did.