Jenna Bush Hager and her cousins spilled several Bush family secrets when they guest hosted Today With Jenna & Friends this week, including one hilarious run-in their friend had with former President George W.

Twin sister Barbara Bush, who co-authored new kids' book I Loved You First with Jenna, says the same is true for her two children: Cora Georgia, 3, and Edward, who, admittedly, is only 7 months and doesn't think about much other than "milk."

Jenna Bush Hager and her twin sister, Barbara Bush, exclusively opened up to Us Weekly about their new book, 'I Loved You First'