Christa B. Allen shows off her pearly whites at the grand opening of David Yurman‘s flagship store on Thursday night (May 10) in Beverly Hills, Calif.

The 20-year-old Revenge actress dolled up in a Juan Carlos Obando dress with Camilla Skovgaard shoes. Christa accessorized with David Yurman‘s Moonlight Ice Ring, Oval Wheaton Ring and Starlight Earrings in Pave Diamonds. Gorgeous!

To celebrate the opening event, David Yurman has designed exclusive jewelry pieces specific to the Beverly Hills location, which include a selection of Men’s Spiritual Bead Bracelets.

The grand opening event also benefited P.S. ARTS’ visual art, music and theater programs for more than 11,000 children in the Los Angeles community.

Ashley Madekwe and Christa B. Allen get fancy for NYLON Magazine and Tommy Girl’s Young Hollywood Issue Party held at Hollywood Roosevelt Hotel on Wednesday night (May 9) in Hollywood.

The Revenge actresses joined by actress Dreama Walker, Claire Holt and more at the annual bash.

Ashley wore a bold Hilfiger Collection dress with a TopShop clutch and Christa chose a Johnathan Simkhai top and Gerlan skirt. She completed her look with a Kelsey Quan necklace, Camilla Skovgaard shoes and Kzeniya clutch.

Christa is also pictured running some errands around town, before and after the party.

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Ashley Madekwe and Christa B. Allen squeeze in Emily VanCamp at Lucky magazine cover party held at Sunset Tower on Tuesday night (May 8) in West Hollywood, Calif.

The Revenge actresses celebrated Emily‘s cover along with costars Connor Paolo, Gabriel Mann, and Joshua Bowman.

JJJ chatted with Ashley at the party and got her to reveal her closet karaoke side: “I am always singing at home, but I don’t know what I would sing at a Karaoke bar. Probably something by Mariah Carey. Go big or go home!”

FYI: Christa wore a Donna Karan dress, Kora bangles, Diego Dolcini shoes, and an All Saints clutch.

20+ pics inside of Ashley and Christa… More Here! »

Christa B. Allen is radiant in red as she arrives at the American Red Cross Annual Red Tie Affair held at the Fairmont Miramar Hotel on Saturday (April 21) in Santa Monica, Calif.

The 20-year-old Revenge actress wore a Donna Karan dress, vintage YSL earrings, a vintage Hermes belt, Christian Louboutin shoes, and carried a Judith Leiber clutch.

PHOTOS: Check out the latest pics of Christa B. Allen

Josh Duhamel, Jamie Lee Curtis, J.R. Martinez, Dr. Timothy Miller and Denis Leary were all honored at the annual event, which recognizes the humanitarian spirit of extraordinary individuals who have shown courage and unselfish character.

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Ashley Madekwe takes a spin on the AX Color Pop Watch Wheel during the 3rd Annual Neon Carnival during 2012 Coachella Music Festival on Saturday (April 14) in Thermal, Calif.

The Revenge starlet was joined at the annual event by fiance Iddo Goldberg, costar Christa B. Allen, Vampire Diaries‘ Candice Accola, Shenae Grimes and Jamie Chung.

The carnival celebrated the launch of the highly anticipated A|X Color Pop Watch collection by A|X Armani Exchange and throughout the night guests stepped up to try their luck spinning the AX Color Pop Watch Wheel, where they were provided the opportunity to win exciting prizes.

FYI: Ashley wore DL1961 Premium Denim and stacking rings by Nissa Jewelry. Jamie accessorized her look with a Jules Smith Marrakesh Cupid Necklace.

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Billy Unger mans the drink station as he lends a helping hand for the LA Mission’s Easter for the Homeless Benefit in Los Angeles on Friday afternoon (April 6).

The 16-year-old Lab Rats star was joined by Revenge actress Christa B. Allen and Booboo Stewart and his sister Fivel.

Alongside Mayor Antonio Villaraigosa, celebrities gave back with Easter dinners, a foot washing, which has both spiritual and practical applications for the homeless, and over 2,000 pairs of new shoes were distributed by etnies.

Ashley Madekwe and Christa B. Allen step out at the 2012 NewNowNext Awards held at Avalon on Thursday night (April 5) in Hollywood.

The Revenge starlets were there to support their hit ABC show, which took home Best New Indulgence!

PHOTOS: Check out the latest pics of Christa B. Allen

Ashley wore a cute Armani Exchange dress while Christa wowed in a Maria Lucia Hohan red number. She accessorized her look with Louboutin heels, a Stark clutch, and DanniJo earrings.

10+ pics inside of Ashley and Christa… More Here! »