Prince surprised thousands of fans at London's The 02 arena last night with a surprise encore.

The pop superstar had exited the stage after two encores, but shortly after the house lights came on, screams began to echo around the massive venue as Prince walked through the crowd flanked by security.

Usher and Tameka Ford were supposed to celebrate one of the happiest days of their life over the weekend. However, their wedding has become a drama and disaster.

Even by Hollywood standards, the headlines circling the couple are chaotic. First it was revealed that Usher canceled the wedding, then speculation began regarding his mother's relationship with Tameka and now the bride has spoken out.

The downfall between Usher and his girlfriend seems to be his mother.

Usher's mom and manager, Jonetta, has reportedly disapproved of mother-of-three Tameka Ford since back when she was just Usher's stylist. Now that she is the mother of his yet-to-be-born child and finance, Jonetta has been worried.

Usher's wedding was cancelled at the last minute on Saturday.

The 'Confessions' singer, who was due to marry pregnant fiance Tameka Foster at record executive L.A. Reid's Hamptons estate on Saturday, reportedly called off the nuptials just two hours before the ceremony was due to begin.

Kelly Osbourne is in talks to star in the stage musical 'Chicago.'

The 22-year-old singer will reportedly make her West End debut as prison warden Matron Mama Morton in the hit production at London's Cambridge Theater.

Usher will marry his pregnant fiance Tameka Foster at a lavish wedding ceremony this weekend, it has been reported.

The couple is set to tie the knot at music executive L.A. Reid's Hampton home in front of a number of star guests including Jay-Z and his girlfriend Beyonce Knowles and Janet Jackson.