Entertainment Movies Tina Fey Has a Confession: My Family Has Uneven Buttocks Tina Fey shares her hidden DIY talent: "I just keep tightening my toilet seats" By Elizabeth Leonard Published on December 16, 2015 08:00 AM Share Tweet Pin Email Photo: Getty Tina Fey is facing a weighty problem. “I don t know what it is about the way my family sits, but the bolt on the back of every single toilet seat in the house gets loose on the left side,” the Sisters star, 45, tells PEOPLE in this week’s issue. “I just keep tightening my toilet seats.” Her deduction about the Fey family foible? “We must sit heavy on our right buttock,” says the star, whose comedy Sisters, co-starring her BFF Amy Poehler, opens Friday. RELATED: The Most Hilarious Tina Fey and Amy Poehler Moments – Ever The hidden DIY skill is but one hilarious confession that the actress – and mom to daughters, Alice, 10, and Penelope, 4 – serves up for PEOPLE readers this week. For more from Fey, including talk of ghosts, spray tans and why her husband thinks she looks like Johnny Depp, pick up this week’s issue on stands Friday.