GREER’S BEST BUYS:

Celebrate Earth Day on Sunday from noon to 4 p.m. at the CAMP and the LAB in Costa Mesa. The two innovative shopping centers plan an afternoon of fun, provide earth-friendly tips, and help raise funds for orphanages in Mexico and other nonprofits. Just bring recyclables and enjoy live music, food samplings, art exhibits, children’s crafts, raffles and giveaways. The free event includes food and drink samples from 118 Degrees and Old Vine Café; and samples and shaved ice from the soon-to-open Milk + Honey. Giveaways include a complimentary bike tune-up at Cycle Werks; and cookies from Gypsy Den. Receive special savings at Active Ride shop, (just bring a pair of shoes or skateboard and receive $10 off a new one); 10% off Eye 5’s stylish designer frames; and save 15% to 75% off Harlow’s apparel including organic and earth-friendly lines Nudie Jeans, Green Tee, Mad Imports, Edun and more. The shopping centers are at 2930-2981 Bristol St., Costa Mesa. For more information, visit www.thelab.com and www.thecampsite.com.

Exclusive Calvin Klein store opens locally

The new Calvin Klein lifestyle store at South Coast Plaza is an Orange County exclusive. It carries merchandise from virtually all categories available today under the Calvin Klein line. Assortments include sportswear, suit separates, jeanswear, underwear, outerwear, footwear, eyewear, watches and fragrance. The store is open 10 a.m. to 9 p.m. Monday to Friday; 10 a.m. to 8 p.m. Saturday; 11 a.m. to 6:30 p.m. Sunday. The Calvin Klein store is in the Crate & Barrel wing, level 3, of South Coast Plaza in Costa Mesa. For information, call (714) 662-1901. or visit www.calvinklein.com.

Celebrate the queen

Molton Brown, a UK original, celebrates Queen Elizabeth’s 82nd birthday Monday, and so can you. Enjoy champagne toasts every hour on the hour. Molton Brown’s natural-based luxury line of products includes skin care, hair care, men’s beauty products and more. Spend $82 or more, and you’ll receive a complimentary “party favor” in honor of the queen. Molton Brown is open 10 a.m. to 9 p.m. Monday to Friday; 10 a.m. to 8 p.m. Saturday; 11 a.m. to 6:30 p.m. Sunday. The store is on Level 2, Bloomingdale’s Wing at South Coast Plaza. For more information, call (714) 549-5951 or visit www.moltonbrown.com

Celebrating with sales

In celebration of Mary Lou’s Vintage Couture’s new studio in Costa Mesa, owner and designer Janet Brown offers 25% to 50% off all accessories and vintage clothing today and Saturday. Choose from Mary Lou’s Vintage Couture collection of belt buckles, headbands, necklaces and rings; and for men, Lou’s Kustoms collectible belt buckles, handcrafted with vintage accessories. There will also be a selection of vintage fashions including Vivienne Westwood, I. Magnin, Valentino, Halston, Yves Saint Laurent, Dior and Whiting and Davis Bags. Mary Lou’s is open 10 a.m. to 5 p.m. Friday; 10 a.m. to 3 p.m. Saturday. It’s at 930 W. 16th St ., Suite D1 in Costa Mesa. For details, visit www.MaryLousVintage.com.

Protect eyes in style

On the hunt for stylish sunglasses with maximum coverage from sun, wind and annoying debris? Then look no further than the new luxury collection of Newport Beach-based Kaenon Polarized sunglasses available at l.a. Eyeworks. Stop by South Coast Plaza on Saturday for an exclusive peek at the new Kaenon Luxury Performance Collection, which features eight original frames for men and women with revolutionary and patented polarized lens technology. Its signature ultra-lightweight, impact-resistant lens comes in classic and sophisticated shapes in colored tortoises, stripes and solids. Price ranges $199 to $299. The store is open 10 a.m. to 9 p.m. Monday through Friday, 10 a.m. to 8 p.m. Saturday; and 11 a.m. to 6:30 p.m. Sunday. l.a. Eyeworks is on Level 1, adjacent to the Carousel Court and Z’Tejas at South Coast Plaza. Call (714) 957-8255 or visit www.laeyeworks.com.

GREER WYLDER writes Best Buys, which runs Fridays. She’s the founder and president of www.greersoc.com, a free daily e-mail service that provides the latest in Orange County fashion, dining and trends.