Michelle Obama may have been Hillary Clinton's biggest cheerleader during the 2016 presidential election, but it looks like Hillary wasn't the biggest fan of her fellow first lady.

According to an email exchanged obtained through a Freedom of Information Act Request by the conservative watchdog group Judicial Watch, then-Secretary of State Clinton didn't want to share a plane with Obama when the two attended Betty Ford's funeral in 2011.

The exchange starts with an email from Clinton's top aide Huma Abedin, who informs her that the Ford family would be open to having Clinton speak at the funeral and that Obama planned to attend the service as well.

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An email exchanged obtained by Judicial Watch shows how Hillary Clinton didn't want to fly to Betty Ford's wedding in 2011 with then-first lady Michelle Obama

Clinton and Mrs. Obama were seated next to each other in the same pew as fellow first ladies Rosalynn Carter (far left), Nancy Reagan (far right) and former President George W. Bush (second right)

To this, Clinton responds: 'I'd be honored to speak. Is it okay that we and Mrs. O take two separate planes.'

'I think its okay but let me check what kind of plane she is taking,' Abedin replies.

Clinton finishes the exchange by reiterating: 'I would rather have our own of course.'

It's unclear whether the two first ladies flew together or separately in the end.

Pictures from the funeral show Clinton and Mrs Obama on apparently good terms.

The two were seated next to each other in the same pew as former President George W. Bush, and fellow first ladies Nancy Reagan and Rosalynn Carter.