Beauty and fashion announcements

Sak it to Me: Check out the grand opening of Saks Fifth Avenue's Sunglasses Boutique from 1 to 4 p.m. Saturday. Preview new collections, enjoy champagne, music and informal modeling. Marcolin specialists will be at the boutique to help you choose styles from 1 to 4 p.m. Dec. 29. Preview the Oliver Peoples Vintage collection from 1 to 4 p.m. Dec. 30 and meet representatives from Safilo from 1 to 4 p.m. Dec. 31.

By Design: New York-based menswear designer Robert Comstock has launched his new diffusion collection, Vertical by Robert Comstock, at Dillard's. His Signature collection is sold at Neiman Marcus.

Honor Roll: The International Council of Shopping Centers has honored Crystals at CityCenter with its gold award and sustainable design award in the Innovation Design and Development of a New Project category.

Spaaah: The Spa at The Mirage is offering Yoga Among the Dolphins, in the underwater viewing area in Siegfried & Roy's Secret Garden and Dolphin Habitat. Classes are at 8:30 a.m. Friday through Sunday and cost $50 per person. Call 791-7472 to book space.

Miles of Style: BCBGMAXAZRIA is now open at Miracle Mile Shops at Planet Hollywood following a remodel of its existing location. Fast-fashion concept Lola also has opened. Gold, silver and semiprecious stone jeweler Kari De Mexico has opened its first Las Vegas location here . TAGS Evolution, a jewelry and accessory retailer, also has opened .

Neimans News: Check out the Bulgari trunk show from 10 a.m. to 5 p.m. today through Saturday at Neiman Marcus. Meet Brandon Martinez, celebrity hairstylist and creator of the B. the Product, and get a blow out from noon to 4 p.m. Friday and Saturday at the Brandon Martinez Blow Dry Bar. Enjoy the Diamond in the Rough trunk show from 10 a.m. to 5 p.m. Dec. 22-23.

Watch Out: Watch Station International has opened at Fashion Show mall. The store makes shopping for a watch a personal experience. The opening follows the launch of watchstation.com.

Now Open: A new Sephora beauty store has opened at the Forum Shops at Caesars. The new store is 8,925 square feet and features more than 13,000 products from more than 200 brands. This is Sephora's 300th store.

Giving Back: Aquae Sulis, the spa at JW Marriott, hosts 12 Days of Giving through Friday in which 10 percent of sales more than $50 will go to participating local charities and nonprofit organizations. Three Square food bank, Easter Seals Nevada and Opportunity Village are among the beneficiaries.

Pretty Partnership: Italian fashion brand Marni will collaborate with H&M for a spring collection. Available March 8, the line for both men and women will include clothing and accessories.

Fashion Show: Check out the Cultural Fashion Show at 11 a.m. Saturday at the Las Vegas Natural History Museum, at 900 Las Vegas Blvd. North. Southern Nevadans will model fashions representative of their homelands.

On the Town: XTC, a men's and women's contemporary and modern fashion boutique, is now open at Town Square. Bohme Boutique, with collections of denim, tops, dresses and women's accessories, also is open.

Wear the Web: Fruition Las Vegas has relaunched its website, fruitionlv.com, as an online destination for designers, writers, stylists and photographers to express views on inspiration, fashion, the arts and consumer culture.

Fashion Forum: Salvatore Ferragamo has reopened inside the Forum Shops at Caesars after a redesign.

Stylish Sound: Las Vegas lifestyle clothing brand Billionaire Mafia announces the expansion of its business with the launch of Billionaire Mafia Entertainment, an independent music label and entertainment company.