Janet was at Clive Davis’ Pre-Grammy party last night held at the Beverly Hills Hilton hotel. Janet attended with boyfriend Jermaine Dupri and friend Gil Duldulao. Other guests at the party included Mary J. Blige, Nelly, Rihanna, Whitney Houston, Tyra Banks, Bow Wow, Pink, Lisa Marie Presley, Naomi Campbell, Al Gore, Jon Voight and Lionel Richie.