Are the on-off couple together again?
And once inside Biebs reportedly indulged in a heavy PDA with his on-off girlfriend.
She was all over him,’ a source tells Hollywood Life.
They were definitely touchy-feely and shared some kisses and back rubbing.’
Justin, who’s currently on his Believe tour, managed to make an appearance at the party despite having to fly to Detroit for a gig the next day.
He even looked after Selena when she started to feel a little worse for wear, it’s claimed.
And the Come And Get It singer clearly appreciated his efforts – the pair reportedly left the bash together at around 2am.
SEE PICTURES Justin Bieber takes his UK tour to Manchester
SEE PICTURES Believe singer Justin Bieber is mobbed by fans in London