"He is very sweet. We've known him for a long time," Kylie, 14, just told me on the pink carpet at the Teen Choice Awards. "Kim and him have been friends forever. He's been nothing but nice."
Kendall, 16, gushed, "He's amazing. Kim is so happy."
Do they think there's a wedding in their future?
"I don't know," Kendall said with a laugh. "If that makes Kim happy."
The two said they couldn't talk too much about their new baby niece, Penelope, but Kendall cooed, "She's beautiful."
Penelope's big brother Mason is adjusting quite nicely to having a sister. "He's the best," Kylie said.