Serena Williams, To Make Second Appearance At Mubadala World Tennis Championship   (December 4, 2018) FLASH Entertainment, has announced that 23-time major champion, Serena Williams, has been added to the star-studded line-up for this year’s Mubadala World Tennis Championship (MWTC), which will take place from 27th – 29th December 2018.   Serena will be … [Read more...] about Serena Williams To Make Second Appearance At Mubadala World Tennis Championship