Britney Spears joined Demi Lovato at "The X Factor" Season 2 Auditions in Greensboro, North Carolina on Sunday (July 8).

She sported a little black dress accented with small cut outs along the neckline, waist, and hem by Hervé Léger by Max Azria.

Her curve-hugging dress was teamed with minimal jewelry and Valentino t-strap and peep toe platform pumps with black trim.

A straight hair style with a side part, dark eye makeup, and a pink lip shade finalized her look.

Buy It:

Valentino T-Strap Cut Out Crystal Pumps at Neiman Marcus

Valentino Crystal Coated Mesh T-Strap Platform Pumps at Saks Fifth Avenue

Pippa Middleton and her brother James Middleton were spotted at Day Four of the Wimbledon 2012 match on June 28, 2012 in London, England.

Pippa wore a Orla Kiely macrame jacket over a navy blue silk dress also by Orla Kiely.

Pippa carried a white chain strap bag by Ermanno Scervino, which kept in theme with her blue and white outfit. She also accessorized with sunglasses by Givenchy.

Buy It:

Same bag in a printed version:

Ermanno Scervino Bag at The Corner

Similar bags in a different size by Ermanno Scervino:

Ermanno Scervino Bag at The Corner

Ermanno Scervino Bag at The Corner

Similar jacket:

Mus Knitted Jacket (On Sale) at farfetch.com

Catherine, Duchess of Cambridge joined Prince William at the Thistle Ceremony on July 5, 2012 in Edinburgh, Scotland. Prince Williams who was honored with the title Knight of the Thistle during the ceremony.

She wore a light yellow coat dress by Emilia Wickstead styled with simple black suede pumps by Emmy Scarterfield.

Catherine accessorized with a hat by Whiteley, a tartan scarf by Strathearn, and earrings by Kiki McDonough.

Buy It:

Similar shoes:

Aldo Epperley Pumps (On Sale) at Aldo

Steve Madden Remmedy Pumps (On Sale) at Steve Madden

Jean-Michel Cazabat Pascale Suede Pumps at shopbop.com

Demi Lovato posed for photographers at "The X Factor" Season 2 Auditions in Greensboro, North Carolina on Sunday (July 8).

She sported a neon orange lace dress with a full skirt and a scalloped hem teamed with a black leather cropped biker jacket both by Topshop.

Demi continued her look with edgy gold spiked jewelry and simple black peep toe platform pumps by Christian Louboutin.

Her overall look was complete with a quirky hair style, cat eye-inspired eye makeup, and a light pink lip shade.

Buy It:

Black Leather Biker Jacket by Boutique at Topshop

Christian Louboutin Lady Peep Platform Pumps at Barneys New York

Similar jewelry items:

Topshop Shard Studs at Topshop

CC Skye Love Spike Bracelet at shopbop.com

House of Harlow 1960 Spike Stack Ring Set at shopbop.com

Similar dress:

Msgm Lace Sleeveless Dress (On Sale) at farfetch.com

Pippa Middleton and her brother James Middleton were seen at the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England.

Pippa wore a blue and ivory jacket by Orla Kiely over a blue knee length dress. The jacket by Orla Kiely features six large buttons and two pockets on each side.

Buy It:

Orla Kiely Blazer Blue at Zalando

Pippa Middleton and her sister Catherine were spotted in the crowd at the Wimbledon 2012 Men's Final on Sunday (July 8) in London, England.

Pippa wore a bluebird print peplum dress featuring half sleeves and a ruffled detailed skirt by Project D.

Minimal jewelry and a pair of sunglasses wrapped up her feminine look. Pippa also carried a white bag by Tory Burch.

Buy It:

Project D Phoebe Peplum Dress in Bluebird at The Trend Boutique

Same bag in different colors:

Tory Burch Robinson Satchel at Bergdorf Goodman

Tory Burch Robinson Saffiano Satchel at Neiman Marcus

Tory Burch Robinson Textured Leather Tote at Net-A-Porter

Catherine, Duchess of Cambridge and her sister Pippa Middleton were spotted in the crowd at the Wimbledon 2012 Men's Final on Sunday (July 8) in London, England.

Catherine wore a white-cream dress and tweed jacket both by Joseph. She accessorized with an animal print clutch by Diane von Furstenberg and round sunglasses by Givenchy.

For jewelry, Catherine picked out a simple gold necklace, a single chain necklace, her blue sapphire engagement ring, and cute ruby earrings.

Buy It:

Similar dresses:

Diane von Furstenberg Maizah Belted Crepe Dress at Neiman Marcus

Black Halo Gretchen Dress at Neiman Marcus

Similar jackets:

Theyskens' Theory Jivar Tweed Blazer at Theory

Ralph Lauren Linen Three-Button Jacket at Ralph Lauren

Similar rings:

Fantasia Synthetic Sapphire Royal Ring at Last Call by Neiman Marcus

Michela Oval Faux Sapphire Ring with Cubic Zirconia at Lord & Taylor

Similar clutches:

Diane von Furstenberg Lytton Printed Calf Hair Clutch at Net-A-Porter

Serpui Marie Sofia Fur Minaudiere at shopbop.com

Victoria Beckham joined David Beckham at the Wimbledon 2012 Men's Final match between Roger Federer and Andy Murray on Sunday (July 8) in London, England.

The star donned a chic two-tone and striped sheath dress featuring a v-neck, three-quarter sleeves, and an exposed back center zipper from her fall 2012 collection.

Her fitted dress was accented with large sunglasses and a black crocodile bag also from her own brand.

A slightly voluminous ponytail and a watch rounded out her ensemble.

Buy It:

Victoria Beckham Striped Silk Blend Stretch Crepe Dress at Net-A-Porter

Same dress in a different color:

Victoria Beckham Striped Dress at mytheresa

See Picture Here

Alessandra Ambrosio, her fiance Jamie Mazur, and her daughter spent the day out in Malibu, California on Friday (July 6).

She wore a comfortable pale pink Rebel Yell sailboat pullover hoodie paired with flirty white shorts.

Alessandra also carried her current favorite Mulberry "Alexa" bag.

A pair of stylish sunglasses and chestnut UGG classic short boots completed her casual attire.

Buy It:

Rebel Yell Sailboat Pullover Hoodie at Revolve Clothing

Mulberry Alexa Beige Mini Bag at SSENSE

Mulberry Oversized Alexa Bag at mytheresa

UGG Australia Classic Short Boots at shopbop.com

UGG Womens Classic Short at UGG Australia

UGG Classic Short Womens Boots at Tilly's

Katie Holmes was spotted leaving her lawyer's office in New York City on Saturday (July 7).

The 33-year-old actress wore a yellow dress with a tiered skirt matched with a stylish Current/Elliott "The Snap" denim jacket.

Katie also added round tortoise sunglasses, a tan woven bag, and Rag & Bone "Newbury" boots to her casual outfit.

Buy It

Current/Elliott The Snap Jacket at Revolve Clothing

Current/Elliott The Snap Stretch Denim Jacket at Nordstrom

Current/Elliott Snap Jacket in Loved at Singer22

Rag & Bone Classic Newbury Canvas Ankle Boots at Saks Fifth Avenue

Same shoes in different colors:

Rag & Bone Newbury Boots