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07/11/10 2:31 PM ET

Celebs to come out for All-Star festivities

It's no secret that the 81st All-Star Game on Tuesday will feature some of the best talent in the Majors. But it will also feature a star-studded cast of musicians and entertainers on hand to help celebrate the festivities.

Amber Riley, star of the hit show "Glee," will perform as part of a special pregame ceremony to honor the 30 People "All-Stars Among Us," Major League Baseball announced on Sunday. Also participating in the "All-Stars Among Us" ceremony are celebrity guests Ben Affleck, Sheryl Crow, Harrison Ford, Matthew McConaughey, Salma Hayek and Charlize Theron. The ceremony will honor the efforts of the men and women who have made significant, selfless contributions to their community.

Riley will also perform the U.S. national anthem, followed by a performance of the Canadian anthem by the Canadian Tenors.

The seventh-inning stretch will feature another treat for fans, as multiplatinum artist Colbie Calliat will perform "God Bless America."

The American band Train will perform before the start of the State Farm Home Run Derby on Monday. Train will perform their smash hits "Hey, Soul Sister" and "Calling All Angels."

The 81st Major League Baseball All-Star Game on Tuesday night at 8 ET will be televised nationally by FOX Sports and around the world by Major League Baseball International. ESPN Radio will provide exclusive national radio coverage. MLB.com will offer comprehensive online coverage, as well.

Bailey Stephens is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.