Rihanna Launches River Island Collection in London

Showing off an ample amount of leg, Rihanna left her London hotel and headed over to a promotional event for her new clothing line on Monday (March 4).

The 25-year-old star greeted a mass of awaiting fans during her departure while rocking a black maxi dress that bared her toned pins with a thigh-high slit.

RiRi excitedly promoted her brand new River Island collection at UK's Oxford Street while dancing around on stage and giving the audience a lot to see as she opted to go braless for the event.

Before heading over to the launch, the "What's My Name" singer tweeted, "In London launching my #RihannaForRiverIsland collection tonight at Oxford Street! #phuckyoclothingline"

Rihanna's clothing line hits stores tomorrow (March 5)!

Enjoy the pictures of Rihanna at the 'River Island' launch in London (March 4).

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