Zac Efron has reached out to his high-profile ex-girlfriend, Vanessa Hudgens - 13 years after their shock split.
The High School Musical co-star's might be back in contact again after Zac, 35, made a subtle attempt to grab Vanessa's attention on social media.
The former lovebirds, became household names in their respective roles as Troy Bolton and Gabriella Montez in the High School Musical film trilogy between 2006 and 2008.