“Mother, father & puppy of the bride in beautiful Cornville #Arizona yesterday!” he captioned the photo, in which he wears a boot for a torn Achilles tendon.
PEOPLE exclusively confirmed the news of the nuptials, which took place just before sunset at the family ranch in Sedona, Arizona.
“Meghan McCain and Ben Domenech were married today at the McCain family lodge in Sedona, Arizona,” a rep for the bride said in an exclusive statement to PEOPLE. “The bride’s father, Sen. John McCain, gave her away and they were married by John Dickerson. Following the ceremony, McCain and Domenech celebrated with dinner and dancing surrounded by their family and close friends.”
The pre-Thanksgiving celebration — for approximately 100 guests including close friends, family and former colleagues who worked on Sen. McCain’s two presidential campaigns in 2000 and 2008 — came just four months after he revealed that he was battling glioblastoma, an aggressive stage 4 brain cancer.
His daughter and Domenech got engaged at the Mayo Clinic in July, shortly after her father’s diagnosis.
“We got engaged because we decided to sort of celebrate life, and celebrate being alive,” she said on The View earlier this month after announcing her engagement. “It’s not the most romantic story, but he is my partner.”
And Domenech, a conservative blogger and TV personality who publishes the online magazine, The Federalist, already has his father-in-law’s seal of approval.
“He’s a very fine man,” Sen. McCain said during an October appearance on his daughter’s daytime talk show. “I’m very proud and very happy that they’re so happy together.”