Jessica Simpson and her pregnant sister Ashlee make it a double date as they attend The Gleason Project special preview in LA 

Jessica and Ashlee Simpson brought along their respective husbands, but still managed to steal some sister time together at this event.

The blonde duo were a main attraction as they hit up a special preview of The Gleason Project at ZEFR Warehouse in Los Angeles on Thursday.

Jessica, 34, and Ashlee, 30, hugged for the cameras, which was a sight to see considering the latter's burgeoning baby bump.

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Double date: Jessica Simpson and her pregnant sister Ashlee stole some time together at The Gleason Project special preview in LA on Thursday - in spite of Eric Johnson's photobombing

Double date: Jessica Simpson and her pregnant sister Ashlee stole some time together at The Gleason Project special preview in LA on Thursday - in spite of Eric Johnson's photobombing

Sexy Jessica looked stunning in white-trimmed, black jumpsuit that showed off her slender waist and toned arms.

Ashlee, who is expecting a girl this summer, wore a flowing red dress with long black coat along with black high heels.

When she wasn't hanging out with Jessica, Ashlee was giving husband Evan Ross the loving treatment.

Having a swell time: Ashlee cradled her burgeoning baby bump while Jessica attempted a sexy pose at the exclusive party with their respective husbands 

Having a swell time: Ashlee cradled her burgeoning baby bump while Jessica attempted a sexy pose at the exclusive party with their respective husbands 

Isn't this fun: Jessica was all dressed up in a white-trimmed, black jumpsuit while Eric suited up nicely too

Isn't this fun: Jessica was all dressed up in a white-trimmed, black jumpsuit while Eric suited up nicely too

My guy: The cuddly Jessica gave her husband a big warm hug

My guy: The cuddly Jessica gave her husband a big warm hug

'It’s amazing,' Ashlee recently told People of her life at present. 'I love my husband, we have a beautiful family, I love his family… It’s wonderful.'

Evan, 26, was dressed for success too in an Aztec-inspired, patterned jacket with black jeans, white shirt and wide-brimmed black hat.

Jessica couldn't help cooing over her husband Eric Johnson, 35, and enjoyed posing with him with both arms wrapped around his waist.

Fit and fabulous: The fashion designer displayed a slender waist and toned arms thanks to regular workouts

Fit and fabulous: The fashion designer displayed a slender waist and toned arms thanks to regular workouts

Loving life: Ashlee recently said that married life with Evan Ross 'is amazing... I love my husband, we have a beautiful family, I love his family… It’s wonderful'

Loving life: Ashlee recently said that married life with Evan Ross 'is amazing... I love my husband, we have a beautiful family, I love his family… It’s wonderful'

Not long to go now: The singer-actress is reportedly due to give birth to the couple's baby girl in June

Not long to go now: The singer-actress is reportedly due to give birth to the couple's baby girl in June

Fired up: Mario Bello was also in attendance and brightened up her white blouse and dark jeans with a orange floral scarf

Fired up: Mario Bello was also in attendance and brightened up her white blouse and dark jeans with a orange floral scarf

Eric matched Jessica's stylish look in a black suit and tie.

The Gleason Project is a full-length documentary about former New Orleans Saints football player Steve Gleason who was diagnosed with ALS in 2011.

The film was shown to an exclusive party that, in addition to the Simpson girls and their spouses, included Maria Bello.

She's going to be a grandma: Evan's mom Diana Ross was seen shopping at Barneys New York in Beverly Hills on Thursday

She's going to be a grandma: Evan's mom Diana Ross was seen shopping at Barneys New York in Beverly Hills on Thursday

 

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