Ashton Kutcher unveiled his new web venture yesterday at the TechCrunch 50 Conference in SF, but he was able to unwind afterwards at dinner with Demi, his business partner Jason Goldberg, and Jason's wife Soleil Moon Frye. He and Demi didn't make it to the afterparty at the Mezzanine club, but we were there to hear Samantha Ronson spin for guests like MySpace CEO and recent rumored Paris Hilton fling Chris DeWolfe and Will.I.Am. We got a chance to chat with Samantha about her tech toys and all her recent travels, from Australia to NYC for her sister Charlotte's fashion show and on to Toronto. Samantha said that she and Lindsay actually missed their scheduled flight to Canada, but it worked out well since it let them spend the night celebrating with the rest of the Ronson clan. We usually hear updates from Samantha through her MySpace blog, so it was a treat to get the news straight from the source.

To see more photos of Ashton, Demi, and the TechCrunch party, just read more

Lauren Conrad had her original entourage, parents Kathy and James, along with her brother Brandon out to watch her help kick off the First Ever Style Week at the The Irvine Spectrum Center with a "Homecoming Fashion Show" last night. Lo Bosworth also came to watch and even though Audrina didn't make the drive, after last night's episode things seem to be looking up for the girls' friendship. Even though she doesn't talk about her real life fashion design career on the show, Lauren continued to show off her style last night while the dramatic (and now famous) single black mascara tear made another appearance. Between the drama in Vegas and the big heart to heart, the ladies still managed to sneak in some great meals and awesome gadgets.

To see more of LC, Lo, and a lot of Conrads, just read more

The Toronto Film Festival soldiered on yesterday, and Matt Damon's OneXOne Gala was just one of the many events. Jessica Biel and Kate Beckinsale looked gorgeous in white at the premiere of Easy Virtue and a press conference for Nothing but the Truth, respectively. Mark Ruffalo looked like he was having a ball with costars Rachel Weisz and Adrien Brody at an afterparty for The Brothers Bloom. Even Paris and Benji made the trip up to Canada in the name of partying, hitting the This Monday at Ultra party with Paris's canned prosecco in hand, naturally.

There are a lot more photos including Len Wiseman, Scott Speedman, and Colin Firth so just read more

While the Fashion Week main event last night was Marc Jacobs, all the way out in Flushing, Queens, there was another star-studded show of talent. The men's US Open final took place with Roger Federer beating Andy Murray in three straight sets to win for the fifth year running. Anna Wintour made sure to get an early viewing of Proenza Schouler so she could catch her boy Roger in action, while Natalie Portman came for the second year in a row, only this time with a girlfriend rather than a date. Anne Hathaway shared a laugh with Star Jones, while Charlize Theron and Stuart Townsend took in yet another night of the tournament. After the news of two more Spiderman movies, Tobey and Jennifer were straight faced during the match, but it looked like a fairly painless win for Federer to score himself yet another US Open trophy.

To see more from the Open including Chelsea Clinton, Donald Trump, Ivanka Trump, Anne Hathaway, Star Jones, Harry Connick Jr., and others, just read more

• Minnie Driver gave birth to a baby boy named Henry Story Driver last Friday in LA. The father has not been revealed but will have an active role in Henry's life. — lilsugar
• Steven Spielberg, DreamWorks, and Paramount Pictures are being sued for allegedly copying Alfred Hitchcock's Rear Window when making Disturbia. The estate of the man who wrote the short story Hitchcock's film is based on filed the lawsuit. — AP
• Alec Baldwin confirmed that Oprah will guest star on 30 Rock. — Extra!
• Lil Wayne ended up backing out of his scheduled performance at Fashion Rocks after he refused to go through security and let his bag be checked. — Page Six
• Jerry O'Connell apologized to his wife Rebecca Romijn for referring to her as "huge" on the Conan O'Brien show and clarified his statement. — People
• Former UFC champion Evan Tanner was found dead in a desert near San Diego yesterday. Cause of death is undetermined. — TMZ
• Mischa Barton has signed a deal to start a line of hair accessories with designer Stacey Lapidus. — WWD

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Jessica Simpson's new album Do You Know is out today, and she got up bright and early to sing a few tunes for GMA this morning. Decked out in a dress from her upcoming line, Jess took the stage to perform "Come on Over" and her old hit "With You." She had a little mishap when she couldn't hear her music, but Jessica still kept a smile on her face for her fans. She also gushed a little about Tony's first win of the season and about how excited she is to be an aunt. Jessica recently talked about her plans to spoil her niece or nephew, but until the time comes she can enjoy a little bit of her own good news — her new album is already getting some good reviews!

More of Jessica on stage if you just read more