When Lily Stewart, 20, was arrested for speeding on March 8, she had no idea her mugshot would gain her worldwide attention.

A trio of Temple University students posed as phony federal immigration agents on the Philadelphia campus over the weekend — and neither cops nor school officials thought the stunt was funny.

Evan d'Andilly, a University of York student, is understood to have entered ... our boy. "He was bright, funny, loving, kind, generous, laid back and had a smile that lit up a room.