Lotz started her career as a dancer, touring with Avril Lavigne and Lady Gaga,[2] and starring in music videos including Lady Gaga's "Paparazzi",[3] David Guetta and Estelle's "One Love", Selena Gomez's "Tell Me Something I Don't Know", T-Pain's "Freeze", JoJo's "Baby It's You", Cascada's "Evacuate the Dancefloor", Kaci Brown's "Instigator", and Wang Leehom's "Gai Shi Ying Xiong".
[citation needed] Lotz appeared in TV ads for Jack in the Box, Reebok, and T-Mobile, danced in the web series The Legion of Extraordinary Dancers, toured with the hip hop theatre production Groovaloo, and stunt-doubled in films including Step Up 3D.
She followed that up in 2010 with a part in the third episode of Law & Order: LA and a recurring role in the fourth season of the AMC drama Mad Men as Stephanie, Anna Draper's niece.
In 2011, Lotz starred as Officer Kirsten Landry, one of the main characters in the MTV horror, black comedy mockumentary series Death Valley.
[11] Starting with the second season of The CW's superhero TV series Arrow, Lotz appeared as Sara Lance, a character believed dead who returns as a costumed vigilante known as The Canary.
[18] Lotz is a martial artist, training in Taekwondo, Wushu, Krav Maga, Arnis and Muay Thai.