This song was heard in a Starbucks and the only words caught were You I you at very end. Does anyone know name of this song?

Here are some possibilities based on the lyrics you mentioned:

* "Thinking Out Loud" by Ed Sheeran

* "Perfect" by Ed Sheeran

* "All of Me" by John Legend

* "Marry You" by Bruno Mars

* "Can't Stop the Feeling!" by Justin Timberlake

* "Uptown Funk" by Mark Ronson ft. Bruno Mars

* "Happy" by Pharrell Williams

* "Sugar" by Maroon 5

* "I Gotta Feeling" by The Black Eyed Peas

* "Party Rock Anthem" by LMFAO ft. Lauren Bennett & GoonRock