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Late Night Highlights: Jay Leno Calls His Primetime Show a 'Hallucinogenic' Mistake and Stephen Colbert Drops Acid

Ladies and gentlemen, Jay Leno is 60. The new sexagenarian celebrated his birthday last night with the help of frequent guest and good friend Chelsea Handler, who ribbed the Tonight Show host so much that he soon joined in on the mockery, calling his primetime days at NBC a -- well, you can see that clip, and the other late night highlights you missed while tracking down stars for your fourth season of Celebrity Rehab stars, after the jump.

5. A Knight with Michael Caine

Last night, the always charming Sir Michael Caine stopped by Late Night to tell Jimmy Fallon about his experience being knighted by the queen.

4. Breast Milk and Hallucinogens

Stephen Colbert used his Death Watch segment last night to report on a few new health innovations including tobacco mints, breast milk acne treatments and hallucinogens for the elderly. And then the Colbert Report dropped a personalized tab of acid.

The Colbert Report Mon - Thurs 11:30pm / 10:30c
www.colbertnation.com
Colbert Report Full Episodes Political Humor Fox News

3. Iron Man Method

After trying to impress David Letterman with his own comedic stylings on last night's Late Show, the Iron Man star revealed how Mickey Rourke prepared for his role as a Russian villain for the sequel.

2. Apple is Turning Evil

On the Daily Show, Jon Stewart reported on Apple's bizarre Minority Report-style treatment of the Gizmodo writer who picked up a next generation iPhone.

The Daily Show With Jon Stewart Mon - Thurs 11p / 10c
www.thedailyshow.com
Daily Show Full Episodes Political Humor Tea Party

1. Happy Birthday, Mr. Tonight Show

Last week, George Lopez celebrated his birthday by inviting his good friend Jennifer Lopez on the show to serenade him Marilyn Monroe-style. Last night, Jay's special guest Chelsea Handler refused to do that but she did get the Tonight Show host to call his primetime show a "hallucinogenic" mistake (first clip), rib him for always being "super duper horny" around her (second clip) and then surprise him with a huge cake (third clip).