1 of 12
Pucker up! Jaden Smith, who turns 13 on July 8, gets a sweet smooch from the actress on June 24, 2010, while working the red carpet at the L.A. premiere of The Twilight Saga: Eclipse.
2 of 12
Smith shares the spotlight with best buddy Bieber during a performance of their duet, "Never Say Never," at the 2011 Grammy Awards on Feb. 13.
3 of 12
4 of 12
Talk about an odd couple! Smith plays it straight while hanging with the always-animated Scream star at Beacher's Madhouse inside the Hollywood Roosevelt Hotel on Dec. 4, 2010.
5 of 12
The singer playfully spars with the Karate Kid at the June 7 afterparty for his 2010 film in Westwood, Calif.
6 of 12
Smith reaches box office heights (to the sum of $176 million!), with the help of his Karate Kid costar, during a December 2010 photo shoot in Dallas. "Jaden had a lot of respect for me as his teacher, even off the set," Chan said of taking the young actor under his wing in the reboot of the 1984 classic.
7 of 12
Mr. Washington, meet Mr. Smith. The rising star makes a famous fan out of the Training Day star during an L.A. Lakers game at the Staples Center in October 2010.
8 of 12
Could there be a duet in the works? The budding musician charms the "Born This Way" pop star while working the crowd at the Grammy Awards in February.
9 of 12
Proving his love of Twilight extends to all of the film's stars, Smith happily snaps a photo with onscreen werewolf Lautner at Nickelodeon's Kids' Choice Awards on March 27, 2010.
10 of 12
New school meets old school! Smith strikes a pose next to the original Karate Kid at the film's L.A. premiere on June 7.
11 of 12
12 of 12
WATCH: Amber Rose & Wiz Khalifa's Son Sebastian 'Loves Him Some' Taylor Swift — and Knows All the Words to 'LWYMMD'
Mommy and Me! All the Details on Chrissy Teigen and Daughter Luna’s Matching Avocado Swimsuits
Jessica Alba's Kids Are Her Toughest (and Cutest!) Critics: 'They Have All the Opinions'