India, Sept. 5 -- Taylor Swift and Travis Kelce, who announced their engagement last week, have received a "formal offer" from rock band Foreigner to perform at the popular couple's upcoming wedding. As of now, the pop sensation and the Kansas City Chiefs tight end have not announced any date for their highly anticipated nuptials.

Taking to Instagram on Wednesday, September 3, the band shared an open letter, asking Swift and Kelce to accept it as their "formal offer to be your wedding band". "Dear Taylor Swift and Travis Kelce, we know what love is. We spent 40 years figuring it out... And now you guys have too," the British band wrote.

The letter from Foreigner features a mint green background as well as orange color lettering, resonat...