Chris Brown enjoyed another date with Rihanna just hours after his girlfriend Karrueche Tran dumped him.

The chart-topping ex-lovers - who were spotted kissing at New York hotspot Griffin on Monday night (01.10.12) - attended Jay Z's concert at the Barclays Centre together in the city last night (03.10.12) shortly after they both emerged from the Gansevoort Hotel.

Chris was spotted with his arm draped across the back of Rihanna's seat in the VIP section of the gig, suggesting her mentor Jay Z has given his blessing to their controversial reunion.

The 24-year-old beauty has attracted lots of criticism since she started meeting up with the 22-year-old singer again in recent months following his violent assault of her in February 2009 - for which he was convicted.

Their public date follows reports Karrueche has had enough of the rumours about the R&B singer's secret flings with the 'We Found Love' singer and dumped Chris earlier this week.

A source said: ''Karrueche finally had enough and dumped Chris for good. Karrueche and Chris had been on thin ice for a while, but after he was spotted getting with Nicole Scherzinger in a Los Angeles nightclub recently, and then when reports surfaced that he had hooked up with Rihanna - so she finally dumped him.''

The pretty model has fuelled speculation she has left the 'Beautiful People' singer with a series of cryptic tweets following the news of his alleged hook-up.

Karrueche wrote: ''Bye baby'' shortly before Chris was spotted at the concert.

She previously tweeted: ''There's a difference between a man and a boy. I prefer men (sic).''

When a friend told her to ''Let it go for your own good'', she replied: ''oh baby I am'', then as fans speculated whether she had kicked Chris to the curb, she posted: ''Remember I said I prefer men.''