Well, it seems this big sis wasn't having any of it!
Koko took to Twitter on Monday with a very cryptic message about all the "sh*t", writing:
[Image via Instagram.]
While Anna Kendrick didn't plant one on the late night host, she did bond with the comedian during her Late Show visit Thursday night!
The Pitch Perfect star didn't have anything to promote, so she just had a good time with Colbert as the two started talking about their love for Lord of the Rings, Stephen Sondheim, and musicals!
One thing lead to another and all of a sudden Anna and Stephen were singing Falling in Love is Wonderful from Annie Get Your Gun!