Noel Vasquez / Getty Images North America 1 / 14
Noel Vasquez / Getty Images North America 1 / 14

He may have his head in the game, but fans were focused on what was hanging around Zac Efron's neck at a Laker's basketball game on Dec. 20. The former "High School Musical" star wore his blue AA sobriety chip around his neck while cheering for the Los Angeles team. 

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The blue chip implies that Efron, 26, is six months sober. The actor secretly completed a rehab stint in April 2013, which he managed to keep quiet for five months.

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Efron seems to be keeping busy post-rehab. His film "That Awkward Moment" hits theaters on Jan. 31, 2014. The former child star broke his jaw in November after a fall at home and had his mouth wired shut.

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But it seems to have healed, and on Dec. 15 he was all smiles at a Colts game while posing with Colts player Matt Overton. 

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