Age ain’t nothing but a number, right? Age can often be a taboo topic to talk about, no matter how old you are.

Whether pretending to be older to soak up the nightlife scene or passing off as younger to snag an acting role, even celebrities have their reasons for fibbing about their true birth year. Honestly, most of the time it’s hard to nail down someone’s exact age because they have a baby face or look mature for their age. Who knows — maybe they’re super private and would rather keep their actual age as a mystery.

Whatever the reason, we’ve rounded up 26 famous faces who have lied about their ages over the years. Check out the full gallery, below.