Prue Leith claims David Schwimmer 'didn't want to talk to anybody' while ... trends now
The TV judge, 83, admitted she'd been hoping to build up a friendship with the actor, 56, but his competitive streak got in the way.
She told The Mirror: 'Well, he must have been the most famous person we had in the tent. And I was very excited about it.
'What I was surprised about, though, was I thought he'd behave like he behaved as Ross, he'd be like he was in Friends, but he was actually very concentrated and didn't want to talk to anybody.
'He just wanted to get on baking and he badly wanted to win. He loosened up after a while.'
Uh-oh! Prue Leith has claimed David Schwimmer 'didn't want to talk to anybody' while filming The Great Celebrity Bake Off For Stand Up To Cancer
David recently revealed the tragic reason he signed up to appear on the show.
The sitcom star explained he wanted to take part in the charity special because his grandma died from the disease, and so did his ex-wife Zoe Buckman's mother.
In footage obtained by The Mirror ahead of Sunday's episode, he also told viewers that his sister Ellie had battled with cancer as well.
The Friends star said: 'I lost a grandmother to cancer, my daughter lost a grandmother to cancer and my sister is a cancer survivor, so it's important to me.
'I am just grateful I can help in any small way raise more awareness.
'I am here to have fun. I am