Ivana Trump says she's uncertain whether the "very quiet" Melania TrumpMelania TrumpJill Biden picks up where she left off The Hill's 12:30 Report: Biden navigates pressures from Dems Former first lady launches 'Office of Melania Trump' MORE is doing a good job as first lady.

President TrumpDonald TrumpRomney: 'Pretty sure' Trump would win 2024 GOP nomination if he ran for president Pence huddles with senior members of Republican Study Committee Trump says 'no doubt' Tiger Woods will be back after accident MORE's first wife — who was married to the then-New York real estate developer for nearly 15 years before they divorced in 1991 — was asked about his current spouse during a Monday interview on the British talk show "Loose Women."

"Do you think she's doing a good job as first lady? She gets quite a lot of positive publicity," the hosts asked.

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"I am not sure. She's very quiet, and she really doesn't go to too many places. She goes to stuff when she has to go," replied Ivana Trump, 71.

"But she's quiet," she added.

The White House didn't immediately respond to a request for comment.

Asked if she has any relationship or friendship with the president's third wife, Ivana Trump replied, "No, I speak directly to Mr. President, and I don't get involved with the ex-wives and his private life."

In 2017, Ivana Trump said during an interview on "Good Morning America" that she didn't want to call her ex-husband at the White House "because Melania is there."

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"And I don't want to cause any kind of jealousy or something like that because I'm basically first Trump wife," Ivana Trump said at the time while promoting her book about raising her three children with the president. "OK? I'm first lady."

"She plans to use her title and role to help children, not sell books," Melania Trump's spokeswoman Stephanie GrishamStephanie GrishamMelania Trump says she was 'disappointed and disheartened' watching Capitol riots Trump resignations gaining steam GOP senators urging Trump officials to not resign after Capitol chaos MORE said in a statement at the time. “There is clearly no substance to this statement from an ex. Unfortunately only attention seeking and self-serving noise."

Melania Trump launched Be Best, her children's wellness initiative, in 2018.