The 37-year-old tennis superstar presented on stage later that evening! Serena introduced the Best Picture nominee A Star Is Born during the first hour of the show.
The Oscars are being presented without a host for the first time in 30 years. The show kicked off at 8pm EST/5pm PST on ABC and is still on the air! Tune in now!
FYI: Serena is wearing custom Armani Prive with Forevermark jewels.