1. KELLY VS. RIHANNA

The Dancing with the Stars contestant belted her Marc Jacobs dress for a day of shopping in L.A., while the pop star added a military hat and leopard-print booties to her gray sweater dress for a flight to Paris.
2. KATE VS. MARIAH

The Oscar winner dazzled at the BAFTAs in London in her Zac Posen gown in February, while the singer sizzled in her mermaid gown at the premiere of her film Precious this week.
3. KIM VS. BETHENNY

The reality star added a black blazer and pink heels to her Nuj Novakhett dress, while the mom-to-be kept it simple with loose curls over her striped mini.
4. JULIE VS. PAULA

The Boondock Saints II: All Saints Day actress paired her lavender Bottega Veneta dress with thigh-high boots for the film’s premiere, while the newly pregnant actress shortened her corset into a mini for the AFI Fest in L.A.
5. ALI VS. JORDANA

The new redhead picked a full-skirted Carolina Herrera for a Cirque du Soleil party in L.A., while the brunette hit a CFDA party in a sheath version of the blue floral frock.
Aki Quang (from IS)
[...] we gotta say, Rihanna BROUGHT IT. We’re not loving the Tippi Hedren hair, but the dress is a [...]