Harry's New BFF: Justin Timberlake

Justin Bieber punks Taylor Swift, and more

(NEWSER) - In honor of April Fools' Day, the Huffington Post found video of 10 awesome (or awesomely embarrassing) pranks pulled on and by famous people:

• Tom Cruise: Upon being squirted in the face with a water gun by a British reporter, Cruise's priceless response included the line, "You're a jerk."
• Justin Timberlake: When Ashton Kutcher and Dax Shepard pranked him for Punk'd, with Shepard posing as a government official seizing his property because of unpaid taxes, JT actually cried. He later blamed his behavior on being stoned.

Jessica Biel supposedly wants $500K if Justin Timberlake cheats

(NEWSER) - Rumor has it Jessica Biel and Justin Timberlake are engaged—and Biel is not messing around when it comes to the prenup. If JT cheats, she wants to be guaranteed at least half a million dollars, sources told Radar this week. The Frisky notes that clause is pretty tame, especially when you consider these seven other celebrity prenups:

• Khloe Kardashian and Lamar Odom: The weirdest part of their prenup is Khloe's request for season courtside Lakers tickets. "Wait, what?" writes Amelia McDonell-Parry. "Who wants to watch her ex-husband play every game after un-tying the knot?"

Justin Timberlake also rumored to have popped the question

(NEWSER) - Wedding bells are ringing for what seems like all of Hollywood. The latest:

• Drew Barrymore got engaged over the holidays to art consultant Will Kopelman, whom she has been linked to for almost a year, People and E! report. The couple was on vacation in Sun Valley, Idaho, when Kopelman popped the question with a nearly-4-carat Graff diamond ring. This will be the third marriage for Barrymore; her rep has not yet officially confirmed the engagement, but Us has what it calls an official engagement photo.

Timberlake pens tribute after date with corporal

(NEWSER) - Not only did Justin Timberlake attend the Marine Corps Ball Saturday night—afterward, he wrote a moving tribute that brought a tear to the eye of even the famously snarky Gawker . “I knew I would have an evening that I wouldn't forget... Something I could tell my friends about. What I didn't know was how moved I would be by the whole experience,” Timberlake wrote on his official site yesterday. He describes his date, Corporal Kelsey DeSantis, as “so humble and honest... Very cool." More»

Plus: Are Justin and Mila Hooking Up?

(NEWSER) - Justin Timberlake is a celebrity and he would like to use the elevator alone, thank you very much. E! reports that at a recent Friends With Benefits bash at a New York City hotel, three female guests were instructed by security to exit the elevator because of "maintenance issues." They protested, insisting the elevator was obviously not broken, leading the guard to radio for backup and warn them about the cameras in the elevator. When they finally left, another guard radioed that the elevator "was now clear for Mr. Timberlake to use." More»