Jen Aniston and John Mayer helped Courteney Cox and David Arquette celebrate their nine year anniversary last night.

The two couples attended a humanitarian event in honor of Jeffrey Sachs (who is known for his charity work with Ms. Jolie) at a steakhouse in Los Angeles.

A witness says that Jen and John, “had their arms around each other. She was rubbing his back and whispering into his ear. They were touching each other non-stop all night.”

The couple have been spotted together numerous times over the past couple of months. John attended the cast party of Aniston’s new film, Marley & Me, in Miami and more recently they enjoyed time together at the home of Cox and Arquette.

Of the relationship with Aniston, Mayer has said, “This is not a scandal, this is not an issue, this is not a problem, this needs no spin control. This is me living my life.”

Keanu and Winona in the 2006 movie, A Scanner Darkly

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Star magazine is reporting that Winona Ryder, 36, and Keanu Reeves, 43, are totally hitting it off on the set of their new film, The Private Lives of Pippa Lee.

The couple are getting lots of face time in each other’s trailers.

A source says, “They are also always hugging on the set. The chemistry is really electric.”

While on break from filming they have been spending time together at Keanu’s NY pad.

John Mater Mayer has been putting the wood to Jennifer Aniston, and according to reports, her mood has finally changed for the better.

One source described Jennifer’s new attitude, “She’s just so happy and giggly. It is completely out of character.” Well, yeah, he’s finally getting some!

So why exactly is Jen on Cloud 9? Because according to John’s exes, he has a “certain feature” that is amazing. And watch out - he also knows how to use it. One of his exes said, “His body actually is a wonderland.”

Enjoy the ride, Jen, because once John gets bored he moves on. I think he might just be ‘taking one for the team’ here. Heh. I wonder how long it will be before he and Kate Hudson hook up?

Even though Kate Hudson and Owen Wilson just broke up (for the second time) it seems Kate has already moved on.

Kate, 29, was spotted with Lance Armstrong, 36, in New York Thursday night and Austin, Texas on both Friday and Saturday night. Thursday night they had dinner at the Wildwood Barbeque restaurant at the afterparty of Kid Rock’s Madison Square Garden concert. On Friday they ate at Eddie V’s, a favorite of Armstrong’s. Saturday night they went out to a more casual dinner with Armstrong’s three children and a group of people.

A source said, “They came in with the kids and a large group of people. They ordered dinner. Tacos, burgers and fries and that sort of stuff.”

When asked if the two appeared to be more than friends, another insider said, “They looked like they were having fun.”

John Mayer just can’t seem to find a woman to satisfy him for any length of time.

The women love him and he loves them. As you have probably heard, John’s latest conquest is Jennifer Aniston. A seemingly good match as both seem to be laid back and are all Abercrombie & Fitch like. They probably toss back a few, smoke a dube and get it on. Fun for now, but will Jen get her heart stomped on again? Of course she will!

[People Magazine]

“We were in love before anyone even knew we were together. We have known each other for a long time, and I’ve always known the real Paris. I always knew that she was like…wife material or serious girlfriend material.You just want to get on top of a mountain and go, I’m in love! But your fans would probably make fun of you.”

- Benji Madden thinks he and girlfriend Paris Hilton will eventually marry.

Cher told Oprah Winfrey that when she was 39 and Tom Cruise was 23, they hooked up.

Cher, now 61, says that if it wouldn’t have been for their hectic work schedules they may have had a “great big romance.” She adds, “I was crazy about him.”

The couple reportedly met at a White House fund raising event in the mid 80s.

“He was shy,” she told Oprah. “He said he felt like such a boob in school and nobody talked to him. We went on a date once for dinner in a New York restaurant and the waitress was from his old school. He told me she never talked to him back in school, but now he was recognized he got all her attention.”

The audience particularly loved it when Cher spoke of a night they spent together.

Cruise dumped Cher a couple months later for another older woman, Mimi Rogers, who was six years older than him. Tom and Mimi married but split three years later.