On Thursday, all living presidents and spouses attended Jimmy Carter's funeral, except Michelle Obama. Here's why.

Almost every former American president and their spouse attended Carter’s funeral, except former First Lady Michelle.

Amidst swirling rumours about their marriage, Barack Obama paid a heartfelt birthday tribute to Michelle Obama.

Former first lady Michelle Obama is set to snub President-elect Donald Trump’s Inauguration next Monday, after missing former President Jimmy Carter’s funeral last week where she

After Michelle Obama was missing during Jimmy Carter’s funeral Jan. 7, the former First Lady and Barack Obama’s wife will also not attend Donald Trump’s Jan. 20 inauguration.

where she had been on an “extended vacation.” Former President Barack Obama was present and seen sharing pleasantries with President-elect Donald Trump ahead of the ceremony.

A spokesperson for the Obamas confirmed to PEOPLE that while Michelle plans to skip Trump's swearing-in on Monday, Jan. 20, former President Barack Obama will be in attendance

Leaders of American government, including five living presidents, attended Jimmy Carter's formal state funeral in Washington on Thursday. But where was former first lady Michelle Obama?

It’s one of the most important jobs never applied for. Unelected, yet inextricable from politics; constantly visible on the world stage, but rarely the one behind the microphone — for all its glamour, the first lady of the United States is a role of unsolicited duty, often bringing with it intense public scrutiny, including over what they wear.

"They don't pretend that they have this Camelot relationship," said a source of the Obamas. "They're not trying to present that they're this magical couple."

Alongside a picture of himself and his wife holding hands across the table (my heart!), the former president wrote, "Happy birthday to the love of my life, @MichelleObama. You fill every room with warmth, wisdom, humor, and grace – and you look good doing it."