Novak Djokovic and a belly dancer do dance of danger.
Plain White T's Tom Higgenson will perform.
Maria Sakkari celebrates a milestone in Doha.
Roberto Bautista Agut's father passed away during the Davis Cup finals last November.
Defending champion Feliciano Lopez will return.
The Chilean cracks the Top 20 for the first time after winning Rio.
The American is the first 15-year-old in the Top 50 in nearly 15 years.
