The Minnesota Timberwolves and Washington Wizards also had two reserves selected, and they will go into the pool of players that Curry and fellow captain LeBron James can draft to comprise the teams for the February 18 game in Los Angeles.
The starters from both the Eastern and Western Conferences were announced last week.
Another player who was not happy in not being named to the All-Star reserves in the Western Conference is LA Clippers sixth man Lou Williams.
James and Curry are scheduled to choose the teams via a conference call with league officials Thursday, and rosters will be announced later that day.
Oklahoma City's Westbrook was chosen by National Basketball Association head coaches along with 13 other players.More news: Saudi-led Arab Coalition launches a major humanitarian operation in Yemen
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The Cleveland Cavaliers' LeBron James, Boston Celtics' Kyrie Irving, Toronto Raptors' DeMar DeRozan, the Milwaukee Bucks' Giannis Antetokounmpo and Simmons' Philadelphia 76ers teammate Joel Embiid were last week named starters. It appears the new uniforms will feature one team in black and the other in white, with all players wearing black-and-white versions of their regular team logos on their jersey chests. He is averaging 23.3 points, 6.7 rebounds, 2.3 blocks and 0.8 steals per game.
Those East rookie All-Star reserves join a group that owns a combined 19 All-Star appearances among them.
Thompson, who has played in all but one game this season, is making his fourth consecutive appearance in All-Star game. Prior to the game, Hart and special guests will take the All-Star stage for an exciting opening and an entertaining introduction of the All-Star teams.
Aldridge has been the anchor in San Antonio with Kawhi Leonard's season plagued by injuries.
To decide the 10 starters in the what will be the 67 NBA All-Star Game, the fan votes carry a 50% weight; voting concluded on Monday, January 15. He's also shooting threes at a high clip, playing off the ball when Russ is running the show, and running the offense himself at times, too.