Pearl, Minnie and Andy — with ex-wife Lisa Stelly and one child, Maple, with wife Aree Gearhart. Here’s everything to know ...

Related: Jack Osbourne Reveals How His 4 Daughters Reacted ... “I’m a little more structured with my kids than my parents ...

So yeah, my kids are full-blown Swifties." While they ended up having a great time, Jack's sister Kelly Osbourne, 39, says that there were some sister fights before they left for the concert.

My Cup Runneth Over' Jack Osbourne's Famous Family Warned Him to 'Be Careful' on 'Special Forces': 'You've Got Kids' (Exclusive) Kelly Osbourne Calls Son Sid the 'Best Thing That Ever Happened to ...