Joey King and Sierra McCormick: 'This Is The End' Premiere Pair

Joey King and Sierra McCormick step out for the premiere of This Is The End held at Regency Village Theatre on Monday night (June 3) in Westwood, Calif.

The young starlets walked the red carpet before heading to the after party held at the W Hotel Westwood.

“Quite possibly the best night of my young life @hitrecordjoe,” Sierra tweeted with a pic of her and Joseph Gordon-Levitt.

This Is The End summary: While attending a party at James Franco‘s house, Seth Rogen, Jay Baruchel and many other celebrities are faced with the apocalypse.

15+ pics inside of Joey and Sierra…