Colton Haynes and Holland Roden hit up JustJared’s 2012 Halloween Party held at Siren Studios Orange in Hollywood on Saturday night (October 27).

The two former Teen Wolf co-stars hung out with Colton‘s BFF Ally Maki and cousin David Lewis.

“#holton reunited as Gandhi and heisenburg – LOVE @ColtonLHaynes – only time his makeup took longer than mine,” Holland tweeted about the duo’s costumes.

The foursome also went to Glee star Matthew Morrison‘s bash on Sunday night (October 28).

“@hollandrodenisreal and I as Powder and Breaking Bad! Best Halloween wk so far! :) hope y’all r having a fun wknd!” Colton added on Instagram.

15+ pics inside…