Earlier this week Stephen Amell (Oliver Queen on Arrow) tweeted that he'd taught his baby daughter how to do the fist bump and blow it up thing. This gif is Willa Holland demonstrating for us. I may die of the cute. OMG.
“Hunny, I’m home!” he declared loudly to the house, but before anyone could respond he tripped over Faith’s bags, causing his case to go flying across the hallway. A dark haired girl with a bob followed behind him, laughing as she looked down at the boy who was sprawled out on the floor. “I forgot how much of a klutz you were…” the girl paused and looked at the boy, who merely glared back at her “Well, are Aaron”
Arrow, season 1, episode 5, "Damaged," aired 7 Nov. 2012. Thea Queen, played by Willa Holland, is the half-sister of Oliver Queen (partly in frame on the right), a.k.a. the Green Arrow, played by Stephen Amell. Thea: "I just... I can't lose you again."