Los Angeles: Singer Ariana Grande was joined by her boyfriend and rapper Big Sean while performing at the Joe Louis Arena in Detroit during her 'Honeymoon' tour.


Ariana Grande. Pic/Santa Banta 

Sean first assisted her on "Best Mistake", their collaboration of Grande's latest chart-topping album "My Everything". Later, he returned to the stage for "Right There" off her 2013 debut set "Yours Truly", reports aceshowbiz.com.