Stars With Sparkle: Your August 2013 Roundup of Celebrity Bling

Hollywood stars know that the only way to stay cool in the heat of August is to adorn themselves with some major ice.

Jennifer Aniston Reveals Her Fiancé Helped Pick Out Olivia Wilde’s Engagement Ring

Jennifer Aniston, one of America’s favorite Friends, revealed Justin Theroux’s good taste during August’s We’re the Millers premiere in New York City. Aniston told E! News that her fiancé coached Jason Sudeikis on engagement ring styles before the funny man proposed to actress Olivia Wilde last January. “He guided him in the right direction,” Aniston told the entertainment network. From the looks of Wilde’s one-of-a-kind round sparkler, which seems to be surrounded by emeralds, Theroux done good! (And for all those lovestruck guys who don’t have celebrity friends that moonlight as personal shoppers, the ring consultation business The Ring Liaison has you covered.)

‘Bachelorette’ Desiree Hartsock Flaunts Neil Lane Bauble

From roses to rose gold, The Bachelorette’s Desiree Hartsock had a whirlwind of romance(s) this season. Hartsock accepted Chris Siegfried’s proposal and 3.7 ct. Neil Lane diamond on the season finale of the ABC reality TV show, which aired on Aug. 5. The platinum and 18K rose gold Romantic Entwined Ring is set with a central cushion-cut diamond surrounded and accented by 204 round-cut diamonds. “I knew Des wanted a vintage style, but also something romantic, feminine and sophisticated. Diamonds ring the platinum and rose gold, which is wonderfully romantic and give it Old World charm,” Lane told People StyleWatch.

Photo courtesy of Neil Lane

Kendall and Kylie Jenner Debut Jewelry Line for Nordstrom

Teen queens Kendall and Kylie Jenner are following in their big sisters’ entrepreneurial footsteps, launching a jewelry line in collaboration with Pascal Mouawad’s Glamhouse and Nordstrom. The line, titled Metal Haven, features statement pieces that retail for under $24. “We love accessories, and it’s amazing that we’re going to have our own line to be able to wear every day! We’re so excited to partner with Glamhouse and Nordstrom on our first jewelry collection,” the Jenner girls said in a statement. To celebrate the launch, the sisters will make a personal appearance at select Nordstrom stores this fall. Way to make “mom-ager” Kris Jenner proud, ladies!

Photo courtesy of Glamhouse

Simon Cowell Gifts Girlfriend With Roberto Coin Bracelet

Scandals may come and go, but diamonds are forever. Music mogul Simon Cowell reportedly gave his pregnant socialite girlfriend Lauren Silverman a $16,000 Roberto Coin diamond Eternity bangle for her birthday, a representative from the jewelry company tells JCK. We’re wondering what he’ll get her for a push present…

Eternity bangle bracelet, photo courtesy of KINNEY + KINSELLA

Former Disney Star Ashley Tisdale Engaged

Ashley Tisdale has definitely graduated from Disney’s High School Musical. The 28-year-old star got engaged to rocker Christopher French atop the Empire State Building this month. The blonde beauty took to Twitter to express her gratitude and even shared lyrics from a relevant Taylor Swift song with her 10 million-plus followers. What do you think of her cushion-cut sparkler