Sienna Miller is engaged! 💍 #FallonTonight #TonightShow #SiennaMiller #JimmyFallon

Sienna Miller discovers she can make her own sound effects while talking about Jack Ryan: Ghost War 😂 #FallonTonight #TonightShow #SiennaMiller #JackRyan #JimmyFallon

Sienna Miller gave birth just three weeks ago, and now has a newborn, toddler, and 14-year-old! #FallonTonight #TonightShow #SiennaMiller #JackRyan #JimmyFallon