As she arrived to give moral support to Khloe, the 34-year-old looked effortlessly chic in a blue silk dress, showing off her tanned and toned legs.
Dressing for drama: Kourtney looked stunning as
she left Ruth's Chris Steakhouse in Woodland Hills, after having dinner
with her sister Khloe Kardashian
Showdown: Kourtney arrived looking solemn and was ready to hear the latest developments of her sister's drama
United front: Kendall and Kourtney walked out of the restaurant together
Although Khloe arrived at Ruth's Chris Steakhouse in Woodland Hills with her wedding ring back on, the star sent mixed messages as she reverted back to her maiden name on Instagram earlier in the day.
It is the latest development of drama for Khloe, since it was revealed Lamar had been struggling with drug and alcohol problems.
Daddy duty: Scott held son Mason as they left the restaurant following the family meal
Support: Kourtney's boyfriend Scott Disick and their son Mason walked on ahead as they left the restaurant
And sister Kourtney certainly looked as though she was on a mission to get to the bottom of the latest details.Earlier in the day Kim Kardashian is said to have paid Kourtney a visit in her Rolls Royce, and then later Kris Jenner too.
Low-profile: Scott kept his face covered as he joined his girlfriend Kourtney and her sister Khloe for dinner
It was recently revealed that Khloe doesn't want the breakdown of her four year marriage - stemming from the basketball stars alleged cheating and drug addiction - to play out for the cameras, so she is 'being a trooper' until the current series of Keeping Up with the Kardashians has been completed.
Lending support: Teenage Kendall arrived for dinner in a short white dress
An
insider told Radar: 'Khloe is steadfast, that she won't decide whether
she wants out of the marriage until she is done shooting the current
season of the ... show.' She has been through so much the last year with Lamar, and Khloe just doesn't want this to be played out in front of the cameras. It's a very sensitive situation, she is being a trooper and is being a total professional while shooting.'
'Another reason why Khloe isn't making any decisions yet, she doesn't want this to loom over Lamar in the future, no matter what she decides to do.'
Is it over? Khloe Kardashian tellingly dropped her husband Lamar Odom's surname from her Instagram account on Monday
Spending time with her family: Khloe went for dinner at a steakhouse in Topanga Canyon
Lot on her mind: Fan favourite Khloe has been struggling with marital woes
It is expected Khloe will look to divorce her husband - who was recently charged with driving under the Influence [DUI] after being arrested last month - because she doesn't feel she can 'trust' him.
A source added: 'She just can't trust Lamar. She could stand by Lamar if he had chosen to get help for his drug addiction, but the cheating is what she can't get over.'
Meanwhile Kris Jenner posed with some hunky dancers backstage at Chicago on Broadway at The Ambassador Theater in New York
