Justin Bieber was blocked by security when trying to talk to Rihanna at the Billboard Music Awards on Sunday (22.05.11).

The 17-year-old singer - who was accompanied to the bash by girlfriend Selena Gomez - was reportedly left red-faced after he was prevented from talking to the 'S&M' star after he approached her five times at the prestigious event, which took place at Las Vegas' MGM Grand Garden Arena.

Nicki Minaj thinks it's "great" Britney Spears' upcoming tour will be totally substance-free.

The 'Check It Out' hitmaker - who is opening the star's 'Femme Fatale' world tour - explained with the troubled singer being the "queen of her castle", everyone around her will be more responsible when it comes to avoiding alcohol and other substances.

Nicki Minaj thinks her bum is "conversational".

The 'Check It Out' hitmaker - who is known for her shapely physique - explained while she doesn't mind the fascination with her rear, she doesn't want it to "define" her.

Rihanna keeps fit by walking through airports.

The 'Rude Boy' hitmaker keeps her svelte physique toned and trim by "walking for miles" through airports while she is jetting between performances all over the world.

Whitney Houston is to return to the big screen for the first time in 15 years.

The 47-year-old singer-and-actress - who has battled alcohol and cocaine addictions in the past - will be reuniting with her former 'Waiting To Exhale' castmates to create a sequel to the 1995 hit movie, in which she played unlucky-in-love television producer Savannah Jackson.