BEST BETS Sunday 5/21

FULLERTON

10am

Car Show

Car buffs and curious onlookers should race on down to Fullerton to catch a glimpse of some eclectic autos at the Sixth Annual Muckenthaler Motor Car Show. Take a stroll and check out some vintage cars and enjoy live entertainment, food and a race-car tour down the streets of Fullerton. Prints, sculptures and paintings created by some of the country’s most distinguished automotive artists will also be on display. Some of the work has appeared in Automobile Quarterly, Road & Track, Sports Car International and Vintage Racing magazines.

* Sixth Annual Muckenthaler Motor Car Show, the Muckenthaler Cultural Center, 1201 W. Malvern Ave., Fullerton. Sunday, 10 a.m.-4 p.m. Adults $15, seniors and students; $10, children 12 and younger admitted free. (714) 738-6595.

COSTA MESA

7pm

Pop Music

In recent years Olivia Newton-John has returned to the kind of country-pop material with which she made her debut in 1971, with most of the songs written by the veteran Australian pop star and a variety of collaborators. This is the first pop concert at the Orange County Performing Arts Center under a new partnership with SFX Entertainment, now the world’s largest concert promoter and owner of pop and rock venues.

* Olivia Newton-John, Orange County Performing Arts Center, 600 Town Center Drive. 7 p.m. $42 to $66. (714) 556-2787.