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They're back already! And if you thought that was a quick trip, you're right -- Kim Kardashian and Kanye West were only in the Big Apple for 3 hours!

After boarding a private plane on Sunday afternoon and performing at Leonardo DiCaprio's 39th birthday bash at TAO Downtown in New York City, we caught Kanye and the nanny taking his 4-month-old daughter in for a checkup in Beverly Hills. Hmm, wonder if he got ANY sleep last night?

TAO was shut down for Leo and about 100 of his pals, including Kimye, Martin Scorsese, Orlando Bloom, Benicio del Toro, Alex Rodriguez, Derek Jeter, Tobey Maguire and Nicky Hilton. And not only was there an impressive guest list, but the actor was able to raise 3 million dollars for the Leonardo DiCaprio Foundation. Kimye left shortly after his performance, and the reality starlet tweeted, "#NYCfor3hours #BabysAsleepNowWatchingMyBaby #2ChainzKanyeQtip."

Looks like parenthood isn't slowing this power couple down at all!