Katelyn Olszewski has 2 Jon Bellion concerts.

Jonathan David Bellion (born December 26, 1990) is an American singer, rapper, producer, and songwriter. He was born and raised in Lake Grove, New York on Long Island. He is best known for his song "All Time Low," along with his writing and producing credits. Bellion has released four mixtapes and two studio albums. His first, The Human Condition, was released on June 10, 2016, and it debuted at number five on the US Billboard 200. He released his second studio album, Glory Sound Prep, on November 9, 2018.