Lady Gaga in Las Vegas: Paris Hilton tells Twitter friends Monster ball Concert was 'Good' [PHOTOS]

August 15, 2010 -- Lady Gaga was in Las Vegas on Friday night performing to a full house. The Monster Ball concert has just come from Los Angeles and ended up in Sin City for a stellar concert. The regular fans who were at the concert weren't the only ones who loved the show, the celebrities did too.

Lady Gaga was in Las Vegas performing at the MGM Friday Night. August 15, 2010

Photo: (Getty Photo)

One socialite that was int he crowd at the Monster Ball Tour at the MGM Grand Garden Arena was Paris Hilton. After watching the show, she took to the social networking site Twitter.com to let her friends and followers know about the concert:

ParisHilton: At The @LadyGaga Concert. Loves it!

The Monster ball tour has been getting raving reviews while on the west coast for the past week. Not only has big stars like Britney Spears and critics like Paris Hilton been in the crowd, so have the monsters who love Lady Gaga.

Take a look at the photos of Lady Gaga in Las Vegas. Check out her underwear which are written on all over.