By now, pretty much all of us know Kirstin Maldonado – the leader of the a cappella phenomenon Pentatonix. But do you know the story of her life and how she achieved all of her success?

Joining the long-running NBC sketch comedy show in season 47, the trio made their on-screen debut with "Hard Seltzer" — a pre ...

Martha Stewart introduced a kaleidoscopic performance that pivoted from hip-hop to K-pop to crooning Christmas ballads.

A cappella group Pentatonix stars in a holiday campaign for KAY Jewelers. In an interview with PEOPLE, member Kirstin ...