Former President George H.W. Bush sent his first lady a sweet birthday wish on Twitter as she rang in her 92nd birthday.
“Happiest of birthdays to Barbara Pierce of Rye, NY,” the 92-year-old former president wrote on Thursday. “I’m still the luckiest guy in the world.”
A family spokeswoman tells PEOPLE that former First Lady Barbara Bush is celebrating the occasion by spending a “quiet day” at the family’s summer home, Walker’s Point, in Kennebunkport, Maine.
The spokeswoman added that Mrs. Bush will cap off the day with “a quiet birthday dinner with some family and friends.”
More loved ones took to Twitter to wish Mrs. Bush a happy birthday, including her granddaughter Jenna Bush Hager, Trump adviser Kellyanne Conway and the Clinton Library.
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“Happiest bday to one awesome lady!” Bush Hager tweeted. “Love you and your hilarious, strong way, Ganny. Xx.”