Jennylyn Anne Pineda Mercado-Ho is a Filipino actress. She is known for playing dramatic roles in film and television. She rose to prominence after winning the reality talent competition StarStruck in 2003. Mercado garnered acclaim at a young age for her acting performances on television and film. She starred in multiple commercially successful films, including English Only, Please (2014), The Prenup (2015), Walang Forever (2015), and Just the 3 of Us (2016). With GMA Records and Viva Records, Mercado has released three albums, which have several popular singles such as "Sa Aking Panaginip", "Moments Of Love" in collaboration with Janno Gibbs, "Basta't Nandito Ka", and "Kahit Sandali". In 2017, Mercado top billed the Philippine remake of My Love from the Star.

StarStruck is a Philippine television reality competition show broadcast by GMA Network. Originally hosted by Dingdong Dantes and Nancy Castiglione, it premiered on October 27, 2003 on the network's Telebabad line up. The show has aired seven seasons and 538 episodes. Dantes and Jennylyn Mercado served as the hosts for the show's most recent season. It is the longest running reality show of GMA Network.