Alongside photos of her mum, Alison wrote: "I am dedicating this Valentine's to my beautiful Mother who sadly passed away from liver and lung cancer.
"My family and I laid mummy to rest yesterday in a beautiful ceremony which I know she would have loved.
"RIP my best friend and Living Angel please come to my dreams."
Her followers, of course, offered their condolences to Alison and her family including many famous faces.
Her This Morning co-star Sharon Marshall wrote: "Love you darling Ali," followed by love heart emojis.
Alison HammondToday I dedicate Valentine’s Day to my beautiful , wonderful Mother Maria who passed away from liver and lung cancer . Yesterday my family and I celebrated her amazing life and laid her to rest in a beautiful ceremony she would have been proud of . Thank you mummy for giving me the strength to move forward in the knowledge that your ok and with God in Heaven now . I will always remember you and try and make you proud . I love you mum ♥️♥️♥️
Nicola McLean said: "Sending love," while Gogglebox star June Bernicoff added: "Deepest sympathy Alison in your very sad loss."
On Instagram, Alison shared photos of herself and her mum and thanked her for "giving me the strength to move forward in the knowledge that you're OK and with God in Heaven now".
She said: "Thank you mummy for giving me the strength to move forward in the knowledge that you're OK and with God in Heaven now.
"I will always remember you and try and make you proud. I love you mum."
Back in October, Alison shared a photo of her mum as they bumped into singer Jamelia during a trip to a nail salon.
Alison HammondMe and mums day out ! Bumping into @officialjamelia at @jemz_nailz_ loving 🥰 life ! #mums
At the time, Alison captioned the post: "Me and mum's day out! Bumping into @officialjamelia at @jemz_nailz_ loving life!"
Fans were quick to gush over Maria.
One person said: "OMG Alison, your mum hasn't changed, she looks amazing," while another wrote: "Awww beautiful pic. I remember your Mum from Big Brother."
