Stars' Pajama Party!

Demi Lovato's slumber party to Kim Kardashian's hot-pink retainer, see how the stars get ready for zzz's in their Twitter pics!

DEMI LOVATO

Just call her the pajama MacGyver! During an impromptu sleepover with Camp Rock 2: The Final Jam costar Chloe Bridges, Lovato finagled some "matching pj's".