NBC's ratings surged to 35.4 million viewers on Sunday, more than double the comparable day during the Tokyo Olympics, thanks in part to the rapper's popularity.

Justin Bieber's ex-girlfriend Selena Gomez and her friends dance to Taylor Swift’s “I Knew You Were Trouble.”

Perfect synchronization by judging standards gave Team China's Chen Ruolin and Wang Hao, both 19, the gold medal at the women's final competition for synchronized 10-meter platform diving. The team blew the other competitors away with their back 2 ½ somersault 1 ½ twist in round five, helping them get a total combined score of 368.40.

The 2012 London Olympic schedule for Day 4 features many exciting matches for NBC streaming. The US Olympic Men's basketball team includes Lebron James, Kobe Bryant, Carmelo Anthony, and Kevin Durant. Other countries competing tomorrow are China vs. Russia, Australia vs. Spain, Lithuania vs. Nigeria and France against Argentina.