Question: who is the guest judge on americas got talent
Answer: Season Judge Cuts Guest Judge ( in order of appearance ) 10 Neil Patrick Harris Michael Bublé Marlon Wayans Piers Morgan 11 Ne - Yo Reba McEntire George Lopez Louis Tomlinson 12 Chris Hardwick DJ Khaled Laverne Cox Seal 13 Ken Jeong Olivia Munn Martina McBride Chris Hardwick