Momentum 2018 Orange County Ballet Theater's showcase for emerging dancers includes two new contemporary works, plus a performance of the suite from Tchaikovsky's "Swan Lake" featuring guest dancers from San Francisco Ballet, et al. Irvine Barclay Theatre, 4242 Campus Drive, Irvine. Fri., 7:30 p.m. $28, $35. (949) 854-4646.
Coppelia Long Beach Ballet stages the classic comic fable about a young man who falls in love with a life-sized dancing doll. Terrace Theater, Long Beach Convention Center, 300 E. Ocean Blvd., Long Beach. Sat., next Sun., 2 p.m. $38 and up. (562) 426-4622.
Gala Flamenca: Arte de Verano Cristina Hall, Wendy Castellanos, Manuel Gutierrez and Alexandra Rozo are the featured dancers in this Forever Flamenco presentation. The Fountain Theatre, 5060 Fountain Ave., L.A. Next Sun., 8 p.m. $30-$50. (323) 663-1525.
Heartbeat of Mexico Family-friendly festival includes dance and ballet folklorico performances, live music, arts and crafts and more. Musco Center for the Arts, Aitken Arts Plaza, Chapman University, 415 N. Glassell St., Orange. Next Sun., 1 to 7:30 p.m. Free. (844) 626-8726.
Spring Showcase Westside Ballet of Santa Monica presents a mixed classical and contemporary program that includes a salute to Memorial Day and a celebration of the movie "Grease." The Broad Stage, 1310 11th St., Santa Monica. Next Sun., 1 and 5 p.m. $35. (800) 595-4849.