Gaga, never shy about flashing her own bits in public (see the YouTube video she posted yesterday), tweeted her reaction to seeing the shots of Harry playing strip billiards at a Vegas party.
"HOLY MOTHER, HARRY LOOKS FIT ... Hope no-one's mad at him for that, I'm certainly not. #RoyalsArePeopleToo," the pop diva tweeted to more than 28 million followers.
In another post, she added a stinging barb aimed at those who leaked the pictures.
"But truly f--- off to whatever s----y friend took those pictures and leaked them," Gaga tweeted.
Gaga isn't the only one stepping up to defend the prince's cheeky pics.
According to our CelebrityFIX poll, 84 percent think Harry's a "legend" for the nude romp, while just 16 percent are "not amused" (scroll down to cast your vote).
On a more serious note, the photo leaks have raised questions about royal security. Harry has blamed his bodyguards for allowing party-goers to take the photos in the first place.
"Harry cannot believe that his 24-hour royally appointed security allowed this to happen," a source told Radar Online.
"When revellers are invited back to the suite of any famous celebrity for a party, you would expect any recording equipment like cameras or phones to be confiscated by the bodyguards."
And then there's always the unspoken "what happens in Vegas stays in Vegas" mantra to abide by.
According to the UK Telegraph, the two photos in question were taken in a three-bedroom suite at Vegas' Wynn and Encore hotel complex, which costs around $7600 a night.
The pictures were sold for an estimated $15,000.
Harry's minders at the party last Friday night did not ask revellers to hand over their mobile phones.
Witnesses who attended the party told TMZ that one bodyguard pleaded with a group of girls not to take the photos on their mobile phones.
"As the party fired up, several girls began to snap pics on their cell phones ... and one of Harry's minders lackadaisically told the women, 'awww, come on .. no photos'," TMZ reports.
TMZ's sources added that the "minders were asleep at the wheel", taking in the party atmosphere rather than attending to the prince's needs.
While the images have already circulated around the internet, British media outlets are still banned from publishing them at the royal family's lawyers' requests.
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