Best Dressed: Jennifer Lopez's Roman Elegance

1. 073109 Best Dressed Jennifer Lopez

Jennifer Lopez is elegant in a white peekaboo Grecian gown and jeweled sandals at the presentation of her new autumn collection "JLo for Yamamay" at the Yamamay store in Rome, Italy.

2. 073109 Best Dressed Penelope Cruz

Penelope Cruz is red hot in her three piece Bottega Veneta suit and peep toe wedges at the UK premiere of Broken Embraces.

3. 073109 Best Dressed Kristinia DeBarge

Kristinia DeBarge is bold in a white and black striped body-con dress, leather jacket and red caged heels at the Baby Phat Pure Cat launch at Journey's in New York City.

4. 073109 Best Dressed Rocsi

BET VJ Rocsi Diaz shines in her deep cut white blouse and shiny gold shorts at the RISING ICONS event presented by Grey Goose and BET Networks in New York City.

5. 073109 Best Dressed Julissa Bermudez

Julissa Bermudez is fashion-forward in her black sweetheart-neckline strapless jumpsuit, chunky necklace and silver Louis Vuitton bag at the celebration for the release of Fabolous's fifth album in New York City.

6. 073109 Best Dressed Camila Alves

At the Express Celebrates TXT L8TR Campaign in West Hollywood, pregnant Camila Alves is chic in her black and white dress, white fringed purse and black pumps.

7. 073109 Best Dressed Selena Gomez

Selena Gomez is polished in her little black dress with white detail at the neckline and black patent leather pumps at the Disney Channel's "A Summer Soiree - The Magic of Mentoring" in Beverly Hills.

8. 073109 Best Dressed Cameron Diaz

At The Box press presentation at the San Diego Comic Con, Cameron Diaz is stylish in her J Brand jeans, Enza Costa Rogue tank, Elizabeth & James vest and black boots.

9. 073109 Best Dressed Eva Mendes

At her launch of Vida By Eva Mendes at Macy's Herald Square, Eva Mendes is girly in a red floral halter dress and nude peep toes.