Speaking to Conan O'Brien last night on his TBS talk show, Katherine Heigl recalled previous interviews with the host, as she promoted My Father The Hero and Under Siege 2 in the early 1990s.

Katherine Heigl & Conan O'Brien

Katherine explained that despite being a teenage movie star, she was teased at school about her appearance and it lead to some unusual prayer requests! The State Of Affairs star also mentioned how one of her social media photographs from the set accidentally ended up with a 70's porn movie vibe! Watch the clip.

Watch more snippets from the interview and the episode in full at Conan's official web site teamcoco.com.