She is known for her television roles, such as Tea Marvelli in Skins, Sage Spence in Gossip Girl, Andrea Cornish in The Night Of, and Frannie Latimer in Your Honor.
From 2022-2023, Black-D'Elia played the lead role in the Freeform comedy series Single Drunk Female.
[10] Black-D'Elia's first significant role was the recurring character Bailey on the soap opera All My Children at age seventeen.
In the fall of 2012, Black-D'Elia played the role of Sage Spence in the sixth and final season of Gossip Girl.
Black-Delia starred in the Michael Bay–produced time travel thriller Project Almanac, which was released in January 2015.