Christina Judith Perri (born August 19, 1986) is an American singer and songwriter. After her debut single "Jar of Hearts" was featured on the television series So You Think You Can Dance in 2010, Perri signed with Atlantic Records and released her debut extended play, The Ocean Way Sessions. Her debut studio album, Lovestrong (2011), followed soon after and has since been certified platinum by the Recording Industry Association of America (RIAA).

Perri also gained recognition for writing and recording "A Thousand Years," the love theme for the film The Twilight Saga: Breaking Dawn – Part 2 (2012), which appears on the accompanying soundtrack. The song went on to sell over 10 million copies in the United States, being certified Diamond, and the official music video reached two billion views on YouTube in December 2021. She later released her second extended play, A Very Merry Perri Christmas (2012), followed by her second studio album, Head or Heart (2014). After recording the lullaby albums Songs for Carmella (2019) and Songs for Rosie (2021), Perri released her third studio album, A Lighter Shade of Blue (2022). In 2023, she released the albums Songs for Pixie and Songs for Christmas.