Will Ferrell gave fans rare insight into his serious side during a promotional interview for his new documentary, when he was asked about his thoughts on transphobia.

Radcliffe worked with Smith on the eight films in the 'Harry Potter' franchise, in which he played the titular character and she played the beloved Professor Minerva McGonagall.

"The relationship between the Utah Afflecks and the Boston Afflecks is absolutely not true," a source said.

"It's hard to be honest about aging and seem cool," she said.