Who knew Taylor Swift had a little competitive side in her!
The blonde cutie joined her BFF Ed Sheeran on BBC Radio 1 with Nick Grimshaw on Monday and hilarity ensued — obvi!
Both besties are in town for the Brit Awards which happens on Wednesday, and being the great friend Taylor is, she totally had to go and support her pal who was guest-hosting with Nick!
[ Related: Get A Sneak Peek Of Taylor's Brit Awards Performance! ]
Fast forward after their adorable on-air interview, Tay Tay and Ed were both challenged by the English host to find out which musician knew their friend better!
The prize? Winner gets to tweet something from the loser's phone!
We're not going to spoil the winner for you, so you're just going to have to watch the whole video and then you can go HERE for the winning tweet!
Hilarious, #innit?? LOLz!
Ch-ch-check out their adorable friendship (above)!
Tags: bbc, bbc radio 1, bestiez, ed sheeran, friendship, funny, highlarious, interview, nick grimshaw, radio 1, taylor swift