R&B singer Teddy Riley sues Lady Gaga for $500,000 LOS ANGELES, Nov. 2 (UPI) -- U.S. R&B singer Teddy Riley is suing Lady Gaga for $500,000 for writing fees he said he's owed for the 2009 song "Teeth," court documents indicate. Riley, former member of 90s group Blackstreet, said he was promised 25 percent of the writing fees for the song, which was featured on "The Fame Monster," the album that launched Lady Gaga's career, TMZ reported Friday. In the lawsuit, Riley alleged he got nothing for his contribution to the song.