Conversation so far:
Did The Black Eyed Peas record a new album in 2015?
No
Have the Black Eyed Peas toured during 2015?
No
Are all the original members still in the Black Eyed Peas?
No
Did the Black Eyed Peas do a special event for their 20th Anniversary?
In an interview on Capital Breakfast, will.i.am said that the Peas will reform in 2015 for their 20th anniversary.

Question: Has it become a hit song?
Self-contained rewrite: Has Yesterday become a hit song?