White House Press Secretary Sarah Huckabee Sanders said that Dr. Christine Blasey Ford's testimony was "compelling" but not "fact-based information."
The president slammed the senator over the letter from Ford.
"I have no connections there. I got there by busting my tail," the justice said while under oath.
Counselor to the President Kellyanne Conway said Sunday morning that she is a victim of sexual assault.
The results were split along party lines.
The investigation comes after a last-minute request by Republican Jeff Flake, who voted to move Kavanaugh's nomination forward on the stipulation that an FBI investigation looked into allegations of sexual assault.
During Bill Maher's monologue on his HBO show Real Time with Bill Maher, the comedian took swings at Supreme Court nominee Brett Kavanaugh's pugilistic tone during the judge's testimony under oath before the Senate Judiciary Committee.
"Perhaps we didn't do too good a job teaching the importance of preserving democracy by an enlightened civic discourse," Kennedy said.
The committee came to a vote on Friday, with Kavanaugh being confirmed 11 to 10, but Senator Jeff Flake said he voted yes on the understanding that there be a full FBI investigation before a final vote on the Senate floor.
The Republican senator was considered to be one of the likeliest contenders to offer a swing vote to the Democrats.
In a letter, the nonpartisan association made up of lawyers and law students said that a vote should occur only "after an appropriate background check into the allegations" that Kavanaugh sexually assaulted Christine Blasey Ford is conducted by the FBI.
Lindsey Graham said he spoke to President Donald Trump who was very "complimentary" and passed on a similar tribute from first lady Melania Trump.
Former FBI Director James Comey warned that even "small lies matter" after Supreme Court nominee Brett Kavanaugh's testimony before the Senate Judiciary Committee on Thursday.
The National Sexual Assault Hotline saw a 147 percent increase in calls as Christine Blasey Ford testified before the Senate Judiciary Committee on Thursday.
"Feminists are their own worst enemies, and enemy of women," the fired Fox contributor tweeted.
Supreme Court nominee Brett Kavanaugh testified "like a frat out of hell," Jimmy Kimmel said on Thursday night.