Mary-Kate Olsen admits she sometimes catches a rerun of her classic sitcom Full House.

“Full House is on all the time. Really. I see that it’s on,” she told March’s Interview. “But last year, Ashley spent the night at my place and I woke up to the theme song at seven in the morning. I was like, ‘What are you doing?’”

Asked to sing the show’s catchy theme song, Olsen says, “I don’t know the exact…