Neil Patrick Harris has given fans a rare and heartwarming glimpse into his family life, and it’s his teenage daughter who has stolen the spotlight. The How I Met Your Mother star took to Instagram to share a vibrant collection of photos from a spring break trip to Thailand with husband David Burtka and their twins, Harper Grace and Gideon. But it was Harper, now firmly in her teenage years, who had followers doing a double take as they marvelled at how grown up she looks.