Records, releasing her debut album, Headstrong (2007), through the label.
The album was a commercial success, earning a gold certification from the Recording Industry Association of America (RIAA).
The "selfie" has become part of the pop culture lexicon, and for celebrities mastering the art of social media, posting them is part of building their brands.
Which is to say, a selfie is just another form of self promotion. We've scoured Instagram and Twitter to find the contenders for the best selfie in this week's Celebrity Selfie Showdown.
Tisdale began dating singer Christopher French in 2012; the couple wed in 2014.