Question: Which American singer that performed and co-wrote "Into You" collaborated on "My Favorite Part" with American rapper Mac Miller?
Sentence (from "Into You (Ariana Grande song)"): The song was made available by digital download on May 6, 2016 via pre-order of the album and was later serviced to contemporary hit and rhythmic radio on June 28, 2016 as the album's second single.
Relevant evidence: No