Ethel, seven, and Marnie, six, couldn't pass up the chance to dress as Elsa and Anna but mum decides to do her own thing as they all walked the red carpet together for the first time.
When you've got young children, the chance to see Frozen 2 before anyone else is just an opportunity you have got to take.
So Lily Allen was never going to let her two daughters miss telling their friends all about it as they made their red carpet debuts together.
Ethel, seven, and Marnie, six, made sure they didn't let mum down and were on their best behaviour as they stayed out late on a school night.
They dressed perfectly for the European premiere on London's Southbank, the first time they have gone to such a high profile event as a family.