Lady Gaga plays a singer-songwriter grappling with the highs (and lows) of newfound fame in ?A Star Is Born,? but she says the real-life similarities between her and her character don?t extend far beyond their shared musical chops. The pop superstar dropped by ?The Ellen DeGeneres Show? Thursday, sharing, ?In a lot of ways, Ally and I are nothing alike. I decided, around 19 years old, that I was going to go for it as a singer because I couldn?t get any jobs as an actress.