Jennifer Aniston and Courteney Cox are the ultimate best friends!

Jennifer made sure to show her support for the directorial debut of her former "Friends" co-star Courtney by attending the premiere of the comedy-drama "Just Before I Go" on Monday in Los Angeles. The gorgeous best friends hammed it up at the event, posing goofily and acting giddily in front of the cameras.

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The 50-year old star of the hit show, Cougar Town, flaunted her impressive curves in a cleavage-baring suede, red dress by Jitrois, which featured leather detailing along the dress' neckline. She completed her look with simple Jennifer Meyer earrings, gold bangle and Saint Laurent black sandals. Courteney looked extremely gorgeous with her new bob and subtle smokey eye makeup. 

While Justin Theroux's fiancée, who looked extremely happy to see Courteney, opted to wear a more casual black tuxedo dress and finished her look with black tights and boots. Aside from a watch, she accessorized with aviator eyeglasses.

Aside from reuniting with her best friend, Courteney also spent some time with her fashionable daughter, Coco. The young woman, 10, donned a furry white and black sweater over a plain black shirt and distressed jeans. The tween paired her edgy outfit with green sandals and added a little pop of color by wearing red lipstick.

As for directing the movie, Courteney revealed that she was easily persuaded to accept the project. Talking to Us Weekly, she said that it's rare for her to read something makes her cry and laugh out loud, and that was what exactly the movie did for her.

She remarked that she felt a connection to the film's characters. While there are some who she described as ignorant, and some as enlightened, she said that what everyone learns is that every person has his or her own troubles and struggles.

"I just wanted to tell a story about real people and that's what it was," she added.

Directing the movie also allowed the mother and daughter to spend some quality time together as Coco was a big part of the movie. Courteney shared to Us that her daughter, whose voice she described as great, sang the movie's opening song.

TagsJennifer Aniston, Courtney cox, Friends, Just Before I Go, Friends Reunion