(AP Photo/David Zalubowski)

Hillary Clinton went campaigning in Colorado on Monday, trying to help out Sen. Mark Udall in his nip and tuck race against GOP Rep. Cory Gardner in the latest poll. While she was in the state, Clinton came across ten-year-old Macy Friday, who had a look on her face that has never been witnessed by anyone who is not a dad chaperoning a minivan full of teenagers at a One Direction concert.

Other potential 2016 presidential candidates have not elicited the same reaction from the children of America.

Brett Harris, a sophomore at the University of South Carolina, poses with Sen. Rand Paul for a photo at the Gressette Room on campus in Columbia, S.C., Tuesday, Sept. 30, 2014. (AP Photo/ Richard Shiro)

At Global Academy in Columbia Heights, Minn., New Jersey Gov. Chris Christie talks with students at the charter school while stumping for GOP governor hopeful Jeff Johnson, left, Monday, Oct. 13, 2014. (AP Photo/The Star Tribune, Richard Tsong-Taatarii)

Former Florida Gov. Jeb Bush, right, and North Carolina Republican Senate candidate Thom Tillis , left, greets some young supporters as they arrive for an event in support of Tillis in Greensboro, N.C., Wednesday, Sept. 24, 2014. (AP Photo/Chuck Burton)

Vice President Joe Biden, center, jokes around with Owen Murphy, son of Sen. Chris Murphy, D-Conn., second from right, before a mock swearing-in ceremony for the 113th Congress, Thursday, Jan. 3, 2013, in the Old Senate Chamber on Capitol Hill in Washington. From left are Owen; Murphy's wife Catherine Murphy, Biden, Murphy, and son Rider. (AP Photo/ Evan Vucci)