If you're like us and value your sleep, you probably nodded off into your Ambien dreamland before the party started on post-prime time TV. Don't worry; we've got you covered. Here's the best of what happened last night on late night.

Jimmy Fallon and Russell Crowe celebrated Earth Day by performing Jimmy's protest song about the BP oil spill, which is basically a work of poetry. Both Jimmy and Russell need to abandon their careers and become full time folk singers immediately. Also the name of this song is "Balls In Your Mouth," so there's that....

Time for another edition of Obama Expressions on "The Tonight Show!" It's pretty simple, really: Jimmy Fallon analyzes and names POTUS's lesser-known expressions. This week's favorites include the "'Sup, Bae" and the "Bitch, please."

Speaking of Obama, Blake Lively visited "Late Night" and dished about the super-awkward time she met POTUS and completely word-vomited. Turns out Blake isn't so eloquent when she finds herself face-to-face with the leader of the free world. Watch the clip to hear her hilarious story!

Over on "The Late Late Show," producers stole cellphones from the night's guests (aka Courteney Cox, Oscar Isaac and Joel McHale), and then forced James Corden to guess who's phone belonged to whom based on clues. Like the fact that one of these celebs listens to "Anaconda" on the regular....

Despite what you might think, Dr. Phil is a real doctor, and the time has come for him to analyze Jimmy Kimmel's brain. The results? Jimmy might be crazy. Just kidding –– he's a "practical person" with good moral fiber. Check out his diagnosis in the clip below!
'Jimmy Kimmel Live!': Dr. Phil Evaluates Jimmy's Mind

Move over, Jimmy Kimmel, Guillermo is once again stealing our hearts with an episode of "Mucho." This week, Zooey Deschanel was a guest on Guillermo's breaking entertainment show, and as expected they were hilarious together.