Michael Strahan had a huge reason to celebrate on Thursday when he revealed his daughter, Tanita, was ringing in her birthday.
Just weeks after his youngest twins, Isabella and Sophia, turned 18, Michael posted a sweet tribute to his first born.
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Alongside a pair of photos of Michael with his daughter now and when she was a baby, he wrote: "Happy birthday to my first born @tanitaa.st Please help me wish her the most amazing day. So proud of the person and artist you have become my baby. Proud to be your Dad."
WATCH: Michael Strahan's family life
He was immediately inundated with kind words and comments including from his co-stars. Dr. Jennifer Ashton wrote: "Happiest Birthday @tanitaa.st," along with party popper emojis and ABC's Deborah Roberts added a happy birthday message too.
Tanita responded to her famous dad and commented: "Love you," and a string of red heart emojis.
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Michael's post was uploaded during his time off GMA. The TV star has been absent from the ABC daytime show all week due to other commitments.
© Photo: InstagramMichael celebrated daughter Tanita's birthday
The dad-of-four isn't the only one missing from the show this week either, as Robin Roberts has also been off, leaving their co-anchor George Stephanopoulos holding the fort alongside Amy Robach and T.J. Holmes.
Away from work, Michael enjoys nothing more than spending time with his children and beloved pet dog Enzo.
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Michael is a father to grown-up children Michael Jr. and Tanita, who he shares with ex-wife Wanda Hutchins. He is also stepfather to Wanda's older son Dorian, who he has a close bond with.
© Photo: InstagramMichael has four grown children - also pictured with his late father
He shares his twins with ex-wife, Jean Strahan.
In a previous interview in the New York Times, Michael opened up about living in the Upper West Side with his youngest children.
He said: "I like the Upper West Side, because, being a father, I like the family feel to it. You see mothers with strollers, people walking their dogs. One thing I love about the neighbourhood, when you go into places, it's not like, 'Michael!' I'm another person who's just there."
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