The singer-songwriter, 24, who gave birth to her first child last year, couldn't contain her excitement over the British version of the holiday Sunday, reported People magzine.
"Happy mamas day to all of us! This is my first one! Never been happier," she Tweeted on the special day.
Adele most recently showed her love for her five-month-old baby boy after buying a kitschy Oscar statuette reading "Best Son," to match the one she earned herself for singing the theme song in the James Bond fllm, 'Skyfall'.