The '22' star says "you do not want to open that can of worms" when asked about the former couple.
Selena Gomez started as an actress before turning her talents to music by fronting her band 'Selena Gomez And The Scene'. Their hits include 'Naturally' and 'Who Says'.
Real name: Selena Marie Gomez
Born: July 22, 1992
Birthplace: Grand Prairie, Texas, U.S.
First Single: Falling Down
First Album: Kiss and Tell
The 'Come And Get It' singer kept a low-profile as she made her way through London's Heathrow airport.
The 'Beauty And A Beat' star is seen receiving a kiss on the cheek from his ex-girlfriend at the awards show.
The former teen couple are rumoured to be sitting together at the prestigious event, sparking fresh reunion rumours.
Watch the music video for the singer's lead new song from her forthcoming album.