6.
Lorde shared some text messages:
7.
Ansel Elgort teased some new music:
8.
Kendall Jenner had a bathtub party:
9.
Seth Rogen learned something new about himself:
10.
Reese Witherspoon shared an adorable #TBT:
11.
Zach Braff spooned Will Arnett:
12.
Olivia Wilde had some questions for NYC's subway system:
13.
Anna Kendrick made this interesting observation:
14.
Zoe Saldana and her Avatar went to the real-life Pandora:
15.
Madonna gave this dude her stamp of approval:
16.
Lauren Jauregui had some feelings over the DWTS results:
17.
Katy Perry had some existential thoughts:
18.
And Wiz Khalifa made this convincing argument: