The Scottish DJ has struck up a romance with the 'Blank Space' hitmaker but her insistence on letting her beloved furry felines Olivia Benson and Meredith Grey share her bed has caused him a problem.
A source said: ''When he stayed over at Taylor's LA house last week, Calvin says he was up all night blowing his nose and complaining he couldn't breathe.
''Apparently he's allergic to the long fluffy hair on Taylor's cats and they usually sleep in the bed so it's everywhere.''
i've had a cat named Maggie, a dog named Bailey and yeah
it just said "a source"