Sorry Justin Bieber
See Lady Gaga, Jennifer Lopez and Nicki Minaj all performing live in Las Vegas this weekend.
Lady Gaga hangs upside down as she performs at the iHeartRadio gig in Las Vegas.
The 'You And I' singer storms the stage.
Breaking out the moves, Lady Gaga sings for fans.
The 'Judas' singer rocks out.
Gaga rides this way.
Put your paws up for Mother Monster.
The 'Born This Way' star gets on her bike.
Gaga sports long blonde hair at the gig.
Mother Monster makes an L for Lady Gaga.
The 'Hair' singer climbs onto her keyboard.
Gaga lets fans cop a feel.
The 'Just Dance' star practises her pole skills.
Legs in the air for the Vegas show.
Dancers surround Gaga at the gig.
A blonde Gaga stares down the crowd.
Her crew dress head to toe in black leather.
The 'Poker Face' singer drops to her knees.
Lady Gaga rocks some fierce dance moves.
Gaga struts around in a revealing, strappy outfit.
Nicki Minaj takes the show lying down.
The 'Pink Friday' star dresses in pink.
Nicki Minaj is lifted into the air.
Almost standing, Nicki Minaj sings for the huge crowd.
Nicki Minaj looks in shock as dancers perform around her.
Nicki Minaj sports big blonde hair at the show.
The 'Super Bass' singer stands out in silver.
Nicki Minaj in a frilly dress.
Nicki Minaj is joined by a hotty on stage.
Nicki Minaj straddles a dancer.
The 'Fly' star reaches out to fans.
Nicki Minaj breaks out some big moves.
The 'Moment For Life' singer impresses the audience in Vegas.
Jennifer Lopez wears a huge red dress for the Vegas bash.
The 'On The Floor' singer owns the stage.
J-Lo takes a seat in during her set.
A sexy Jen performs from the comfort of a throne.
Male dancers gather around the 'Papi' singer.
It's a slinky little red dress for Jennifer Lopez.
J-Lo gives it her all.
The 'I'm Into You' singer shakes her famous bottom.
Jennifer is framed by party streamers.
Jen and her dancers fist pump to the music.
Jennifer Lopez's style is sexy senorita for the show.
Dancers jump through the air around the 'Jenny From The Block' star.
Nicole Scherzinger takes to the stage.
The 'Wet' singer performs live.
The new X Factor judge belts out a tune.
Nicole and Aerosmith's Steven Tyler sing a duet
The pair get very cosy on stage despite Nicole's long-term relationship with Lewis Hamilton.
Nicole and Steven have a full-on snog.
Nicole has her eye on the audience.
It's hands in the air for Nicole.
The 'Poison' star and dancers perform in Las Vegas.
Usher joined in the Vegas fun.
The 'More' singer shows fans his love.
Usher wears a black outfit with gold bling for the gig.
The 'Without You' singer performs his latest songs.
Justin Timberlake takes to the mic.
The 'Sexy Back' singer joins his fellow stars in Vegas.
Justin takes a look into the crowd.
The 'LoveStoned' singer peers across the audience.
David Guetta performs live at the iHeartRadio bash in Las Vegas.
Nicki Minaj and David Guetta hang out backstage.