Zac Efron Is A Single Man Again After 10 Months Of Romance With Vanessa Valladares? It was mid-2020 when the news of the two are seeing each other broke in the media. Zac Efron & Vanessa Valladares Break Up? ( Photo Credit – Getty image / Zac Efron ; Instagram / Vanessa Valladares ) Not long ago, Zac Efron decided to break million hearts when he started dating waitress turned celebrity Vanessa Valladares. But it seems like it wasn’t meant to be forever, not even for a year. The two have now broken up after 10 months of dating each other and showcasing their PDA. There is no clarity on what went wrong but the speculations are strong.