I think the only Suns participating this weekend in the festivities are Ayton in the Rising Stars game and Booker defending his 3pt contest title on Saturday night. The Rising Star game is on Friday night.
Here's info on the Rising Star game.
https://www.nba.com/games/20190215/WLDUSA
Team U.S.
Jarrett Allen, Marvin Bagley III, Lonzo Ball (injured), John Collins, De'Aaron Fox, Jaren Jackson Jr., Kevin Knox, Kyle Kuzma, Donovan Mitchell, Jayson Tatum
Team World
OG Anunoby, Deandre Ayton, Bogdan Bogdanović, Luka Dončić, Shai Gilgeous-Alexander, Rodions Kurucs, Lauri Markkanen, Josh Okogie, Cedi Osman, Ben Simmons
Here's info on the Rising Star game.
https://www.nba.com/games/20190215/WLDUSA
Team U.S.
Jarrett Allen, Marvin Bagley III, Lonzo Ball (injured), John Collins, De'Aaron Fox, Jaren Jackson Jr., Kevin Knox, Kyle Kuzma, Donovan Mitchell, Jayson Tatum
Team World
OG Anunoby, Deandre Ayton, Bogdan Bogdanović, Luka Dončić, Shai Gilgeous-Alexander, Rodions Kurucs, Lauri Markkanen, Josh Okogie, Cedi Osman, Ben Simmons