Britney Spears' Boyfriend Seems to Throw Shade at Christina Aguilera

Fans are wondering if Britney Spears‘ boyfriend Sam Asghari threw some subtle shade at Christina Aguilera. Sam was doing a Q&A on his Instagram Story and someone asked him, “Britney or Christina?” PHOTOS: Check out the latest pics of Britney Spears Sam responded to the fan, “Christina who?” He has since deleted the Instagram Story,