The brother and sister took to social media this morning (2 March) and left messages on what would have been Tina's birthday.
Joey, who is currently on holiday in Dubai, tweeted a pretty black and white picture of his mum and captioned it: "Love you mum. X #HappyBirthday."
Frankie, meanwhile, shared a lovely poem called 'Missing You On Your Birthday' with her followers on Instagram, saying simply: "RIP Mummy." She also posted a broken heart emoticon.
The last phrase of the poem reads: "I feel that you are with me, in everything I do, so I'll celebrate your birthday, but I'll spend it missing you."
Frankie was 13 and Joey was just 10 when their 37-year-old mum Tina took her own life after a battle with depression. Following the tragedy, the siblings were brought up by their father Donny.
The pair have both spoken about her death in the past, with Joey even breaking down in tears during an episode of TOWIE.
In March 2013, as Mother's Day approached, Joey was seen being comforted by his then-girlfriend Sam Faiers as he looked through old pictures of Tina.
"I just wish I had a mum...I just miss her. If I see a picture it just upsets me," he told Sam.
Frankie, meanwhile, previously spoke out in an attempt to raise awareness of depression.
In an interview with The Mirror in 2012, she said: "People are sitting at home alone, feeling lost and there is not a lot of help for them. I think the system has let my mum down."
She added: "I want to change the way people think about mental illness."