The $2.5M Diamond Gown and Other Randi Rahm Dresses For Celebrities A look at the A-list stars who have chosen the custom couture designer for their red-carpet moments -- from Beyonce to Fergie.

By Teri Evans

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As a custom couture designer and entrepreneur, Randi Rahm has dressed scores of A-list celebrities with her one-of-a-kind creations. Her exclusive gowns range from $8,000 to $30,000. She also once designed a $2.5 million dress studded in 433 karats of diamonds that was worn at the Oscars. Rahm's signature "Diamond" gown was originally created with Swarovski crystals; that version and its various iterations, created with pearls or in different colors, are loaned for star-studded events, like Broadway premieres. Here, we take a look at that gown and Rahm's other stunning dresses donned by celebrities.

Related: Designer to the Stars Randi Rahm on Finding Success in the Fashion World

Carrie Underwood, Country Star

Country singing sensation Carrie Underwood wore this glamorous musty lavender satin ball gown, with a hand-beaded tulle underskirt, designed by Randi Rahm for the 2010 Country Music Association Awards.

Ashley Hebert, The Bachelorette

Rahm designed several of Ashley Hebert's gowns, when she was the star of The Bachelorette, ABC's popular reality dating show, in 2011. She also designed Hebert's wedding gown: a double-faced silk-satin gown encrusted with a crystal-beaded leaf pattern. The cathedral length watteau train alone weighed over 40 pounds.

Fergie, The Black Eyed Peas

Fergie, lead singer of the Black Eyed Peas, stepped out in a Randy Rahm tiger-pattern sequin mini dress for a Super Bowl party in 2011 in Dallas.

Julianne Hough, Singer and Actress

Actress and singer Julianne Hough rocked the red carpet in this Randi Rahm coral gown, with a chiffon burnout pattern at the Academy of Country Music Awards in 2011.

Halle Berry, Actress

Oscar-winning actress Halle Berry in a Randi Rahm flirty cocktail sun dress, with touch beading on the bust and ribbon details.

Edie Falco, Actress

Edie Falco, best actress nominee for Nurse Jackie, walked the red carpet at the 2011 Emmy Awards in this elegant one-shoulder, blush tulle gown, framed on silk georgette, designed by Randi Rahm.

Beyonce

Pop star Beyonce sparkled in 2005, at a red carpet event, wearing a Randi Rahm hand-beaded chiffon gown trimmed in a golden Alencon lace.

Jennifer Lopez, Singer and Actress

Superstar singer and actress Jennifer Lopez wore this hand-beaded, copper-sequin mini dress to the American Idol finalists party in 2012, when she served as a judge on the show.

Christina Aguilera, Singer and Songwriter

Pop star Christina Aguilera dressed in a Randi Rahm modern deco-inspired, crepe-backed satin gown at the Clive Davis pre-Grammy party in Beverly Hills, Calif., in 2007.

Emily Maynard, The Bachelorette

Randi Rahm designed several gowns for Emily Maynard, when she was the star of ABC's reality dating show, The Bachelorette, in 2012. Here, she adorns a strapless electric blue silk gown with chiffon details.

The $2.5 Million Gown

Randi Rahm's most famous creation is this $2.5 million dress, sparkling with 433 karats of diamonds. Maria Menounos wore it when she was a correspondent for Entertainment Tonight at the 2004 Oscars.

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