WASHINGTON (AP) — Karoline Leavitt, the youngest person to serve as White House press secretary, will make her debut in the briefing room on Tuesday. Her first briefing is scheduled for 1 p.m. ET.

Karoline Leavitt used her first briefing in the role to warn veteran reporters that they were increasingly irrelevant.

Press secretary Karoline Leavitt said President Trump would open the briefing room to bloggers, podcasters and social-media influencers.

I hope you're ready to work very hard. I know we are. QUESTION: When you're up here speaking to the -- you yourself and your role as on advocating on behalf of the president or providing the unvarnished truth,

White House press secretary Karoline Leavitt made her briefing debut on Tuesday, where she sparred with reporters over a federal freeze on grants and made clear that President Donald Trump himself will be the administration's main messenger.

When Leavitt, 27, walks out into the James S. Brady Press Briefing Room on Tuesday, she'll be the youngest press secretary to do so, since Ronald Ziegler, who held the title in former President Ronald Reagan's White House at age 29.

A first-term House Democrat is attacking White House press secretary Karoline Leavitt on X after she sought to clarify a White House memo rescinding an earlier policy statement on President Donald Trump's federal funding order.