Stepping out for a sisterly sweat session, Hilary and Haylie Duff were spotted leaving a West Hollywood, California gym together on Wednesday morning (July 28).

The celebrity siblings looked to have had a great workout with the help of their personal trainer, as they emerged looking a bit worn out and chugging water to rehydrate.

Sticking to her routine fitness schedule, Hilary Duff was spotted leaving her personal trainer’s house in Los Angeles, California on Monday (July 26).

The former “Lizzie McGuire” gal looked a bit worn-out as she emerged from her private session after having worked up a good sweat.

Looking the true part of a Hollywood beauty, Hilary Duff was spotted treating herself to a little high-end retail therapy in Beverly Hills on Thursday (July 15).

Donning a sexy little black dress with her hair pulled back, the stunning “Lizzie McGuire” star dropped into the local Gucci to browse the shop’s selections.

Ready for her routine fitness session, Hilary Duff was spotted arriving at her personal trainer’s house in West Hollywood on Tuesday (July 13).

Pulling up in her Mercedes Benz SUV, the “Cheaper By the Dozen” darling was joined for the workout by her hockey star fiance, Mike Comrie.

Popping in for a beauty treatment, Hilary Duff was spotted heading into a salon in Beverly Hills, California on Wednesday (July 7).

The “Beauty in the Briefcase” babe paid absolutely no attention to the on-hand shutterbugs as she stepped out of her Mercedes and dropped some coins in the parking meter before disappearing inside.

Stepping out on what was a gorgeous summer day, Hilary Duff was spotted leaving her Pilates class in Toluca Lake, California on Tuesday (July 6).

The “Cheaper By the Dozen” cutie looked fit and fine as she donned her skintight workout gear while meandering out to her nearby car.

Here are some high quality candids of Hilary Duff with Mike at LAX airport on July 3, they look so cute together! Go check them out:

Hilary Duff attend the “Love, Loss and What I Wore” premiere party on July 1, she looked gorgeous!

Making for a little sisterly fun, Hilary and Haylie Duff were spotted out and about in New York City on Thursday night (July 1).

Joined by Hilary’s fiancee Mike Comrie, the trio dined at 44 1/2 restaurant after Haylie’s opening-night performance in off-Broadway’s “Love, Loss, and What I Wore“.