T-Mobile celebrated Coachella and their G1 phone with the 2nd annual “Tone Def” after party in an airplane hangar near the Coachella grounds on Saturday night (18 April).  Even though its only April, this is likely to win “most fun event of the year“, just like the 2008 edition.  Tweeted the numerous Sightings on site…now the photos.

Paris Hilton (Cantebury - CT '99) rocked out to DJ AM (background) the second she arrived with her sister Nicky (+2 bodyguards) at 2AM

Starlight Curtains and an electro dance floor. Unlimited Chipotle, Tommy's Hamburgers, Coffe Bean, and a cool piano lounge outside. Heaven after 10 hours in 100 degree dust.

Jen Betts (Fingerprint Communications 'current), Friend, Michelle Marie (Young Hollywood 'current) and Melissa Rappaport (Rapparound PRC 'current)

Drew Barrymore (Golden Globe Nominee '84, '93) danced with her director Michael Sucsy at the premiere of HBO's "Grey Gardens" at Grauman's Chinese Theatre last night. (Thurs 16 Apr)

Congrats to Sucsy (Deerfield ‘91, Georgetown ‘95) who wrote, directed, and produced the movie co-starring Jessica Lange that premieres this weekend.

Photo:Wireimage, obviously.

You dont have to be on Twitter to contribute. Just blackberry/text in “real time”/”in the moment” CelebSightings and follow along on Twitter.

We are now ranked #6 in West Hollywood, because we dont tell you about “what we’re eating for lunch” …maybe what celebs are eating, and where, and right now. Check out the latest, and thanks to all the loyal spotters!

Tori Spelling (Harvard-Westlake H.S. - CA ‘92, West Beverly ‘93) flexed sharp pr muscle in launching her second book “Mommywood” on the same day as her return to 90210. She celebrated both with a rooftop party at the Thompson Beverly Hills hotel on the eve of her super Tuesday. (Mon 13 Apr).

We tried to not be caught by the cameras shooting the event for the upcoming season of Tori and Dean that debuts next month on Oxygen.

Jennie Garth (West Beverly '93) started the reunion early, bringing the black half of the green/black color scheme for the whole party - carried through in cupcakes, M&M's, and even the sushi.

Ex Reality Star Bobby Trendy (The Anna Nicole Show '02) sported his prom dress.

Scout Masterson and Bill Horn become featured cast members on the show's new season. Their shirts are funnier when they stand in the wrong order (above).

Wyclef Jean hangs with Venus Williams and Criminal Mike after the performance.

Wyclef Jean opened with a tribue to a special audience member -  “No Serena, No Cry” (instead of No Woman, No Cry) - and ended by hopping off stage to sing from celebrity tables for the Sony Ericsson Tennis Tournament Player Party at LIV inside the only South Beach hotspot right now, the Fontainebleau. (Wed 25 March)

LMFAO took over the second half of the night. Their GPS’able lyrics “I’m in Miami Bitch” we’re more viral than the aggressive pink cursive of Ed Hardy shirts during the Winter Music Conference Week.

Note: Annual social event of the season, Bolthouse-esque Michael Capponi’s birthday bash opens the pool season at the same venue with a daytime “St. Tropez in the 1950s” themed daytime soiree this Sunday (5 April).

All Photos TheCHIMP.net, All Rights Reserved.