Kim Kardashian shared a touching tribute to her daughter Chicago as she celebrated her "twin" turning five.
The SKIMS founder uploaded a series of adorable photos of the pair together as she marked the special occasion on her social media accounts.
Kim, 42, was seen pouting and laughing in a series of snaps alongside her youngest daughter as she admitted she "can't believe" her second youngest child is already five years old.
In the photos, Kim wore a black boucle teddy tracksuit from her Skims range, going makeup free with her hair tied in a sleek updo with long strands framing her face at the front.
Chicago meanwhile wore a matching mini-me outfit to her mums, with her hair in space buns with two plaits at the front as the pair posed in several light-hearted images on a bed.
Kim captioned the post: "My twin. Happy 5th Birthday. I really can’t believe you’re 5! I’m so so proud to be your mom, it’s the best feeling in the entire world. You are the cuddliest sweetest silliest most independent caring girl in the whole world and I just love you so much!"
The reality star wasn't the only one to share their birthday love for Chicago online with grandma Kris Jenner also wishing her well on her own social media.
Posting a stunning black and white image of herself holding Chicago as a toddler Kris wrote: "Happy birthday to my beautiful granddaughter Chi Chi!!!!
"You are our little doll who lights up every room. You bring the sunshine and the smiles every day and are so kind, sweet, loving, artistic, creative, generous, funny, and give the best hugs.
"You are the most amazing daughter, granddaughter, sister, cousin, niece, and friend and I am so blessed God chose me to be your grandmother!!! I love you more than you will ever know!!!! Lovey xoxo."
Kim shares Chicago with ex-husband Kanye West, along with their other daughter North, nine, and sons Saint, seven, and Psalm, three.
Fans of the former couple were stunned to learn Kanye, 45, had tied the knot again this week just two months after his divorce from Kim was finalised.
The rapper reportedly got hitched to Yeezy architectural designer Bianca Censori in a private ceremony.
Kanye and Bianca's union is reportedly not legal, according to TMZ, as they have not filed a marriage certificate.
However, the pair were seen appearing to wear matching wedding bands, which are said to symbolise their commitment to the ceremony.
Kanye was seen wearing a ring on his wedding finger as he and Bianca arrived at the Waldorf Astoria in Beverly Hills. The couple were later photographed having lunch together.
Kim shared a series of cryptic quotes on her Instagram story amid the news. One read: "I'm really in my quiet girl era, I don't have much to say. Just much to do."
Another said: "Just remember, the black sheep usually turns into the goat. Keep doing you." And a third and final quote read: "People who want to see you win, will help you win. Remember that."
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