The internet is loving how Ahna Mac showed up and showed out while supporting her fiancé, New York Yankees Player Jazz Chisolm Jr., during Opening Day. The singer had fans cracking up after appearing to reenact a High School Musical-inspired moment from the stands.Related: Oop! Ahna Mac Responds After Olivia Brown Claims She Was A "Side Girl" During Her Relationship With Jazz Chisholm Jr. (VIDEOS)Ahna Mac Channels a 'High School Musical' Moment While Cheering On Her FiancéOn Friday, April 3, the Yankees kicked off their Opening Day game, with Ahna Mac in attendance to support Chisholm.