Zac Efron & Vanessa Hudgens: Back Together?

Are Zac Efron and Vanessa Hudgens back on?

After Vanessa Hudgens wrapped up her chiropractic appointment in Los Angeles on Tuesday afternoon, former boyfriend Zac Efron was seen pulling into her driveway.

The duo recently announced their split late last year, just before Vanessa celebrated her 22nd birthday in Las Vegas.