Not for a while now bro:
Wikipedia said:in 1981 it was disassociated from Britain
That's the date of Antigua's independence. They retained Queen Elizabeth II as their monarch.
SourceWikipedia said:Antigua and Barbuda is a constitutional monarchy and a Commonwealth realm, with Queen Elizabeth II as its reigning monarch since November 1, 1981. As such she is Antigua and Barbuda's Sovereign and head of state and officially called Queen of Antigua and Barbuda.
Most of the Queen's powers in Antigua and Barbuda are exercised by the Governor General, presently Louise Lake-Tack, though the Monarch does hold several powers that are hers alone.