out after thanking her family - and ex Tristan - for birthday ...

It's her 35th birthday.

So Khloe Kardashian seemed in high spirits while out and about on Thursday.

The reality star wasn't afraid to share her love with everyone earlier in the day when she thanked her close ones for their sweet birthday tributes - even appearing to sent her regards to love rat ex Tristan Thompson.

Birthday girl! Khloe Kardashian was simple and stylish while out in Calabasas, California on her birthday Thursday

Birthday girl! Khloe Kardashian was simple and stylish while out in Calabasas, California on her birthday Thursday

Khloe was simple and stylish in a white tank top and grey skinny jeans which she covered up with a cozy charcoal-colored cardigan that swept down past her knees.

The star offered a small smile while walking along in off-white sneakers designed by brother-in-law Kanye West. Provided a luxurious splash of color, she carried a stunning pink Birkin bag.

She accessorized with some small necklaces and big aviator shades.

Khloe was overwhelmed by all the beautiful messages she was sent earlier in the day. 

Taking to her Instagram Story, she wrote: 'I honestly don’t know what to say and I am rarely at a loss for words. I feel overwhelmed With love and happiness! Thank you for all of your beautiful messages and positive energy! It’s not even 10 AM and I feel flooded with emotions! God bless you all and thank you so much.'

Outfit: Khloe looked lovely in a white tank top and grey skinny jeans which she covered up with a cozy charcoal-colored cardigan that swept down past her knees

Outfit: Khloe looked lovely in a white tank top and grey skinny jeans which she covered up with a cozy charcoal-colored cardigan that swept down past her knees

Touched: Soon after Tristan's post, Khloe wrote, 'It's not even 10 AM and I am already so overwhelmed by all of the birthday love! Honestly and truly, thank you! Saying that I feel blessed is an understatement. I don't really know what else to say but thank you.' The TV vet added, 'Life is beautiful!'

Touched: Soon after Tristan's post, Khloe wrote, 'It's not even 10 AM and I am already so overwhelmed by all of the birthday love! Honestly and truly, thank you! Saying that I feel blessed is an understatement. I don't really know what else to say but thank you.' The TV vet added, 'Life is beautiful!'

And while her sisters' messages were certainly appreciated, it was interesting to see how the star's message came just and hour after Tristan shared his own tribute to his ex. 

He posted a sweet photo of Khloe and daughter True which included a touching caption. 

'Happy birthday @khloekardashian. You are the most beautiful human I have ever met inside and out,' began the Cleveland Cavaliers basketball player.

He spoke up: The video was shared just before Tristan shared a gushy tribute to Khloe on Instagram. 'Happy birthday @khloekardashian. You are the most beautiful human I have ever met inside and out'

He spoke up: The video was shared just before Tristan shared a gushy tribute to Khloe on Instagram. 'Happy birthday @khloekardashian. You are the most beautiful human I have ever met inside and out'

'Thank you for being an amazing mommy to our princess True. She is blessed to have someone like you to look up to. I wish you nothing but more success and sending you positive blessing your way. Enjoy your day Koko.' 

Khloe has been trying to

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