Nicki Minaj leaving her hotel in London (Jan. 21, 2011)

*Nicki Minaj was forced to cancel a surprise appearance at London club Runway Thursday evening after a brawl broke out inside the venue.

The rapper has popped up in various spots throughout London this week to promote her debut album “Pink Friday.”

According to MTV UK, the artist first performed at Oceana in Blighty last night and was set to make a surprise appearance at Runway, but decided to bail because of a brawl at the bar.

She tweeted to her followers, “Had a blast @ oceana! Security issues r now preventing us from entering runway…”

Check out more photos from Minaj in London below…