[4][5] Mannion first started her television career at the age of thirteen competing on the reality competition show Endurance on Discovery Kids.
Prior to the filming of The Real World she already knew one of her castmates, Derek Chavez, as they worked together as bartenders in Tempe, Arizona.
[2] During filming, recording artists LMFAO were a featured story-line during the season and interacted with the cast during their spring break related job.
She would commute from her home in Arizona to Las Vegas every weekend to work at the Rehab pool event highlighted on the show.
[16] For Mannion's first challenge Rivals, she was paired on a team with Real World: Cancun roommate, Jasmine Reynaud.
[18] In the same year, Mannion returned for season 2 of the All Stars spin-off, which she won alongside The Real World: Philadelphia alumnus MJ Garrett.