Jessica Alba keeps up with the fashion pack in a trendy denim smock

Summer denim is one of the biggest trends of this season and Jessica Alba showcased the look perfectly while out in LA today.

The Fantastic Four star wore a stylish smock design in the fabric, which has made a comeback from the 1990s both on the catwalk and the high street.

Denim dresses have proved a popular in celebrity circles, with actress Liv Tyler, TV presenter Denise Van Outen, supermodel Claudia Schiffer all wearing variations of the style.

Summer frock: Jessica Alba wore a denim smock as she headed off for lunch in Beverly Hills with daughter Honor

Family outing: Jessica's husband Cash Warren joined in too

Jessica, 29, gave the feminine frock an edge with a pair of scuffed workman's boots and an oversized leather handbag.

She was heading off for lunch in Beverly Hills with her daughter Honor, 2, and husband Cash Warren.

Jessica, who currently stars in The Killer Inside Me, is set to join a host of famous face lined up to present gongs at the MTV Movie Awards tonight.

Scarlett Johansson, Tom Cruise, Betty White and Samuel L. Jackson area also lined up to hand over prizes at the ceremony, which will be hosted by comedian Aziz Ansari.

Trend: Denim dresses have proved popular with stars including Claudia Schiffer, Liv Tyler and Denise Van Outen