OK! Quick Pics: Ciara Shows Off 15-Carat Engagement Ring, Rachel Zoe Spends Mommy-and-Me Time With Skyler and More!

Ciara was all smiles at Moët Rosé Lounge event in Houston where she not only celebrated her birthday, but engagement to rapper Future. How gorgeous is Ciara's 15-carat diamond?

Amanda Seyfried and Justin Long were picture perfect as they joined forces at the Patron sponsored LAByrinth Theater Company Celebrity Charades Benefit in New York City.

Kate Bosworth and her hubby Michael Polish were dressed to the nines for the premiere of the new flick, Big Sur. The two later headed to the Hotel Chantelle Rooftop where they sipped on Purity Vodka cocktails.

Selena Gomez performed a private acoustic session for a group of SiriusXM subscribers before her Barclays show recently. See her exclusive performance on Siriusxm.com!

Eric Stonestreet was bundled up at 2013 World Series where he joined MasterCard to present Stand Up 2 Cancer with the $4 million raised through their Dig In & Do Good campaign!

The hunky Liam Hemsworth made all the girls swoon while leaving LAX Airport in a gray sweater, white tee and cargo pants.

Prince Harry's gal was spotted grabbing coffee in London with friends. What do you think of Cressida Bonas' fall ensemble?

Rachel Zoe enjoyed some mommy-and-me time with her son Skyler who were both obviously rocking killer outfits.

Emmy Rossum wasn't shy of the paparazzi as she gave a sweet wave to the cameras while out running errands.

Jaden Smith rocked a futuristic jacket and two mismatched sneakers while on the step and repeat for Ender's Game.

Melissa Joan Hart appeared on Good Morning America today to promote her new memoir, Melissa Explains It All: Tales from My Abnormally Normal Life.

Mayra Veronica got into the Halloween spirit as Princess Jasmine where she met a very creative Grumpy Cat!