Celebrity birthdays April 4: Stephen Mulhern, Graham Norton and Robert Downey Jr

Happy birthday to these famous faces!

A huge happy birthday to everyone who is celebrating their special day today! TV presenter Stephen Mulhern, comedian Graham Norton and Hollywood actor Robert Downey Jr are among the famous faces toasting their birthdays with their loved ones on Thursday 4 April. Join us as we take a closer look at the lives of these celebrities…

Stephen Mulhern turns 40

The TV presenter is a firm part of the ITV family and is best known for presenting Britain's Got Talent spin-off, Britain's Got More Talent. He has most recently starred in Catchphrase and Big Star's Little Star as well as Saturday Night Takeaway. Stephen, an actor and a magician, has his own segment on the Saturday night prime-time show, In For A Penny, In For A Grand. He'll be spending his 40th birthday in the US, as he jets to Orlando for the show's finale.

Graham Norton turns 54

Everyone's favourite Irish comedian is celebrating his 54th birthday on Thursday. He is best known for his eponymous chat show, The Graham Norton Show, on which he's interviewed the likes of Helen Mirren, Tom Hanks, Hugh Grant and Hillary Clinton. Judi Dench, Nicole Kidman, Margot Robbie and Patrick Stewart are other stars who have sat on the red sofa. But the celebrity interviewer can also ad wine producer to his list of talents. Graham set up his own wine range in 2014, and there's great news for fans; he's just add prosecco to the collection!

MORE: Graham reveals how he deals with his difficult guests

Robert Downey Jr turns 52

The Hollywood veteran has been on the movie scene since the seventies, playing leading roles in the Iron Man and Avengers series, as well as Ally McBeal. Robert, who has won a Golden Globe for his performance in Sherlock Holmes, is due to appear in Avengers: Infinity War later this year, as well as All-Star Weekend. The actor is married to producer Susan Levin, with whom he has two children: son Exton, six, and daughter Avri, three. Robert also has a son Indio with his ex-wife Deborah Falconer.

MORE: Inside Robert's stunning family home

Loading the player...