Vanessa dated fellow East High Wildcat Zac Efron from 2005 to 2010. That relationship "kept me grounded," she later told Shape magazine, "and because I was with someone who knew me so well, I didn't need to try to be someone I'm not."

She also met her real-life best friend, Ashley Tisdale, while working on HSM. The co-stars clicked from the get-go, and they've had each other's backs ever since. So much so, that Vanessa even served as a bridesmaid in Ashley's 2014 wedding to Christopher French.

And speaking of weddings, Vanessa would one day love to tie the knot with actor Austin Butler, her boyfriend of seven years—but she's not in any rush to get engaged. As she explained to Women's Health in an interview last month, "Everyone's clock is different."

The birthday girl did say that she "want[s] to get married, travel, then have kids—probably in my late 30s." That gives her some time, which is good, because as Vanessa revealed in a different interview with Marie Claire, she's got another big dream for her future: Winning an Oscar.

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