PHOTOS: Lady Gaga Gets Cheeky!

Do Something, an organization that champions leadership among teens for social change, gives Lady Gaga the number one spot this year for her commitment to GLBT issues.

They note the singer's dedication for actively campaigning against the military's controversial Don’t Ask, Don’t Tell policy of the US military.  President Obama signed off on the repeal of the policy on Wed.

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Rounding out the top 10 are Taylor Swift, Ashton Kutcher and Demi Moore, Ellen DeGeneres, Nick Jonas, Matt Damon, Leonardo DiCaprio, Oprah Winfrey and Justin Bieber.

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In 2009, Matt Damon won the top spot for his ongoing efforts to provide safe drinking water and sanitation in developing countries.

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The Senate's historic vote to repeal the military's "don't ask, don't tell" policy has led to an outpouring of Twitter support from celebs, with Lady Gaga leading the cheers.

"Can't hold back the tears + pride," Lady G Tweeted.  "We did it!! Our voice was heard + today the Senate REPEALED DADT.  A triumph for equality after 17 YEARS."

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The singer has been has been among the most vocal critics of DADT.  She frequently railed against it during concerts and even released a video demanding the repeal.

Kathy Griffin wrote, "FINALLY!  Equality IS coming."

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Ellen DeGeneres Tweeted, "Thank you Senators for pushing us one step closer towards full equality."

And Ricky Martin added his voice, Tweeting " DADT is gone! Historical!"

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The Senate voted 65-31 Saturday to repeal the controversial policy that blocked gay men and women in the military from being open about their sexual orientation.

The bill will become official after it his signed by President Barack Obama, possibly as early as Monday.

In a statement after the Senate vote, the President said, "When this bill reaches my desk, I will sign it, and this discriminatory law will be repealed."

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Amber Heard Comes Out As Gay

Blonde bombshell Amber Heard made it official Friday night.  She’s dating a woman, and she proudly walked the red carpet with her gorgeous gal, Tasya van Ree at the GLAAD 25th anniversary bash in Hollywood.

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Amber, who is Johnny Depp's leading lady in his upcoming The Rum Diary, and who costarred in Zombieland and Pineapple Express, explained to the website AfterEllen.com why she chose to to go public with her new romance, and do it at the GLAAD event.

Amber said she had to ask herself if by being closeted, she was part of the problem in denying "millions of hard-working, tax paying Americans" their rights.