Danica's old photo from 2015 has gone viral on social media, getting hundreds of retweets and likes. "I'm glad you, your friends and girlfriends had a great time on the trip," one fan wrote. "WOW ...

Trailblazing ex-NASCAR and IndyCar driver Danica Patrick stirred curiosity ... One fan wrote, "Happy looks good on you," noting Patrick's gleaming smile in a follow-up image.