Bby at the end of the day, Katy's album was composed out of acoustic/jazz versions of radio hits that were popular at that time and were getting significant airplay at that time, and got MTV promoting and dedicating a special to it
Result: #168
Meanwhile Gaga's album is also composed jazz versions, except the songs on it are not played on radio at all, has some promo tweets and interviews but does not have a special on MTV where she can perform and promote the whole album
Result: #1-#3
Anyway it's kind of hypocritical to 'drag' Gaga for hitting #1 or even top 3 with a bunch of jazz covers when the other girls (or almost anybody) literally could never