Robert F. Kennedy Jr.'s record of questioning childhood vaccine safety came under fire from a key Republican at the Trump HHS pick's confirmation hearing.

Cheryl Hines joined husband Robert F. Kennedy Jr. on the first day of his confirmation hearing for his nomination as Secretary of Health and Human Services on Wednesday, January 29. The pair, who has been married since 2014,

The health committee chairman, Sen. Bill Cassidy, R-La., also has expressed concerns about Kennedy's anti-vaccine work. A physician, Cassidy said earlier this month he “had a frank conversation” and “spoke about vaccines at length” with Kennedy. On Tuesday, Cassidy told reporters that he is still unsure if he is backing Trump’s nominee.

Cheryl Hines is supporting her husband, Robert F. Kennedy Jr., at his Senate confirmation hearing. In a photo obtained by Access Hollywood, the 59-year-old actress is seen giving the 71-year-old politician a kiss before he addressed the Senate during the Senate Finance Committee hearing in Washington D.

Cheryl Hines is showing her support for her husband, Robert F. Kennedy Jr. On Wednesday, Jan. 29, the Curb Your Enthusiasm actress joined Kennedy while heading to Capitol Hill in Washington, D.C., to attend his Senate confirmation hearing over a potential position in President Donald Trump's cabinet—and she appeared to give her husband a kiss of good luck before the proceedings began.

Senate during a Senate Finance Committee hearing at the Capitol in Washington, D.C. after President Donald Trump nominated him to lead the U.S. Department of Health and Human Services. In one photo, Hines is seen sitting behind Kennedy Jr.