Complex sentence: Pebbles recorded several hit singles on her own during the late 1980s and early 1990s (including "Girlfriend" and "Mercedes Boy") and also sang background vocals on Paula Abdul's album "Forever Your Girl" in 1988.
Split into simpler sentences: Pebbles recorded several hit singles on her own during the late 1980s and early 1990s (including "Girlfriend" and "Mercedes Boy"). She also sang background vocals on Paula Abdul's album "Forever Your Girl" in 1988.