The 117th ranked player nationally from the Class of 2021, Billingsley chose Georgetown over Arizona, further elevating the Hoyas' promising recruiting class in 2021.

The 6-8 Billingsley struggled on both ends of the court, shooting just 33 percent from the field for an average of 2.1 points and 1.7 rebounds a game, with just one field goal over the final four games of the season. His 10.9 minutes per game was the fewest of any freshman in 2021-22.

Billingsley announced a transfer on March 30, 2022, signing with Eastern Michigan.