Nicole Richie, Christina Aguilera, and Jennifer Lopez: Hottest Star Sightings of the Day (PHOTOS)

Lily Harrison / October 9, 2012

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There’s been plenty of star action in the last 24 hours as celebrities logged in their latest rounds of shopping sprees, outdoor strolls, and workout sessions.

Sarah Jessica Parker, 47, took both of her daughters, Marion and Tabitha, on a stroller ride through New York City’s West Village Monday. The girls happily looked on as Parker chatted with a girlfriend during their morning stroll.

Click after the jump to see who else was spotted yesterday.

Never one to miss a training session with Tracy Anderson, Nicole Richie, 31, made her way out of the Studio City gym on Monday clutching her favorite fresh squeezed juices.

Christina Aguilera, 31, was at the JR Marriott Hotel in Los Angeles Tuesday morning to announce the American Music Award nominations in a curve-hugging purple mini dress. The “Your Body” singer matched the frock with her newly-dyed pink and purple hair.

Jennifer Lopez, 43, who’s been on a whirlwind tour in Europe for the last two weeks, was snapped exiting a Zara clothing store with boyfriend Casper Smart. The loved-up couple held hands as Lopez picked out an impressive selection of the Spanish chain’s clothing and accessories.

What was your favorite snap of the day? Sound off in the comments section below.

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