At 15 years old, singer-songwriter Jessica Jarrell has witnessed teen idolatry firsthand after touring with her labelmate Justin Bieber and dueting with him on his album My World 2.0. Now she’ll see if she can make his Beliebers into hers with her debut album and new single “Up and Running,” produced by The Runners. Teen hearththrobs Aaron Fresh and Diggy Simmons vie for the California girl’s attention in the playful video. Look for our interview with the burgeoning star next week.