Gaga despite her short three years has all the receipts necessary
Massive album sales
Massive singles
Very talented singer/musician/songwriter/performer
The Monster Ball is one of top grossing tours of ALL TIME, achieved in less than three years

Massive star power
Biggest female pop phenomenon since forever
Massive dedicated fanbase
Contemporaries and even many legends and icons praising her
A workshop dedicated to her
An university study dedicated to her, really, who else
Gaga's receipts are undeniable, no other pop diva comes close. But even if Gaga didn't exist, Rihanna probably would've been in this 'trinity' before P!nk anyways, because no one cares about her
