Celebs get raunchy onstage!

Take a look at some of the Hollywood celebrities' much talked-about wild onstage acts! Looks like Rihanna has inspired Britney Spears! Pop star Britney was seen giving one lucky male fan a lap dance at the Los Angeles show of her Femme Fatale tour recently. (Agencies/)

Check out Rihanna's raunchy act as she gives a lap dance to a female fan onstage.

Check out Rihanna giving a lap dance to one of her female fans amid her performance onstage!

Justin Timberlake gropes Mila Kunis at the 2011 MTV Movie Awards in Los Angeles. (Reuters/)

Spanish tenor Placido Domingo (R) seen playing the role of Chilean poet Pablo Neruda and Chilean soprano Cristina Gallardo-Domas as Mrs Neruda perform at the Chatelet concert hall in Paris, in the opera 'Il postino' (The postman) by Mexican composer Daniel Catan, for its world debut. (AFP/Francois Guillot)

Placido Domingo (R) playing the role of Chilean poet Pablo Neruda and Chilean soprano Cristina Gallardo-Domas as Mrs Neruda perform at the Chatelet concert hall in Paris. (AFP/Francois Guillot)

Acrobats from the Cirque du Soleil show 'Zumanity' during the fifth anniversary celebration of 'The Beatles LOVE by Cirque du Soleil' show after party at the Mirage Hotel & Casino in Las Vegas, Nevada. (AFP/Ethan Miller)

In this video grab, pop sensation Rihanna is seen giving a lap dance to a female fan onstage while performing at Miami's Mariner Arena recently.

Justin Timberlake and Mila Kunis grope each other during a comedy bit at the 2011 MTV Movie Awards in Los Angeles, June 5, 2011. (Reuters/Mario Anzuoni)

Rihanna grabs all eyeballs with her bold act onstage.

Lady Gaga performs a raunchy act during the Season 10 'American Idol' Grand Finale at the Nokia Theatre in Los Angeles, California. (Reuters/)

Well, Jamie Foxx apparently made the most of the opportunity as he kissed and groped the stunning Halle Berry onstage! (Agencies/)

Lady Gaga jumps on her fans during her performance at Lollapalooza at Grant Park, Chicago. (Getty Images/Roger Kisby) (/)

Britney and Rihanna kissed on-stage during the Billboard Music Awards held recently in Las Vegas. (Pic Courtesy: Getty Images) (/)

Britney Spears during ABC's 'Good Morning America' show at the Bill Graham Civic Auditorium in San Francisco on March 27, 2011. (Reuters/)

It seems that Will Ferrell and Sacha Baron are more than just friendly co-stars! (Reuters/)

Rachel McAdams and actor Ryan Gosling kissed on stage after winning the 'Best Kiss' award for their screen kiss in the film 'The Notebook' at the 2005 MTV Movie Awards in Los Angeles. (Reuters/)

Singer Rihanna seen showing off her seductive dance moves with Drake onstage during the 2011 Grammy Awards Show at the Staples Center in Los Angeles. (AFP/)

In this 2010 file photo, actor Robert Lindsay seen performing an intimate act with actress Lydia Leonard during a rehearsal onstage for a play by Martin Sherman at the Novello Theatre in London. (AFP/Joel Ryan)

Video Music Awards of 2003 was a bit different from the usual. Guests at the show witnessed a french-kiss between Madonna and Britney. (Getty Images/Jeff Kravitz) (/)

Katy Perry stunned many after she kissed a fan from the audience on the lips at the Grammy Celebration Concert Tour on May 7, 2009. (Getty Images/John Parra) (/)

The 45-year-old actress Sandra Bullock locked lips with 25-year-old Scarlet Johansson. Needless to say, it created waves! (AP/)

Madonna and Christina Aguilera smooched each other while performing on the stage at the MTV Music Awards 2003. (Getty Images/Kevin Kane) (/)

Halle Berry scooped up and smooched by Adrien Brody at the '75th Annual Academy Awards'. (Reuters/)