Former first lady Michelle Obama Michelle LeVaughn Robinson ObamaBlack stars reimagine 'Friends' to get out the vote Obama shares phone number to find out how Americans are planning to vote Michelle Obama: 'Don't listen to people who will say that somehow voting is rigged' MORE said she could tell that President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE's inauguration crowd size was smaller than her husband’s previous crowds.

A clip from the “The Ellen DeGeneres Show” released Thursday showed DeGeneres asking Obama about the three previous presidential inaugurations she had attended.

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“Two of ours and one of someone else,” Obama said with a smile as the crowd laughed.

DeGeneres said Obama had “pretty good seats” at those inaugurations and asked if the former first lady could judge who had bigger crowd sizes.

“I could tell,” she responded with laugh, without elaborating.

Michelle Obama responds to Trump's inauguration crowd size claims on Ellen. pic.twitter.com/PmUumsf5L9 — Kyle Griffin (@kylegriffin1) November 16, 2018

The debate over the crowd size at Trump’s Jan. 20, 2017 inauguration set off an early feud between the media and then-press secretary Sean Spicer Sean Michael SpicerKellyanne Conway to leave White House at end of month Pro-Trump duo Diamond and Silk launch new program on Newsmax TV The Hill's 12:30 Report - Presented by Facebook - Supreme Court's unanimous decision on the Electoral College MORE.

Spicer inaccurately claimed a day after the inauguration that Trump had “the largest audience to ever witness an inauguration, period, both in person and around the globe.”

He later admitted that he “screwed that up" when discussing the size of the crowd.

Obama, who has mostly refrained from openly criticizing Trump since leaving the White House, opened up in her new memoir about how she felt on the day of Trump’s inauguration.

She said she “stopped even trying to smile” during his swearing-in ceremony.

“Someone from Barack’s administration might have said that the optics there were bad, that what the public saw didn’t reflect the president’s reality or ideals, ” she wrote. “But in this case, maybe it did.”

“Realizing it, I made my own optic adjustment,” she continued. “I stopped even trying to smile.”

Her new book, “Becoming,” was released on Tuesday.