With Valentine's Day approaching, Khloé Kardashian just reflected on the time her now-ex Tristan Thompson tried to do something romantic for her... and it totally backfired! During Wednesday's episode of her podcast, Khloé in Wonder Land, the model recalled a time that the 34-year-old arranged a surprise serenade for her by the singer Giveon! OMG! That's so sweet! If you don't know, we're talking about this guy: View this post on Instagram A post shared by Apple Music (@applemusic) Unfortunately, KoKo wasn't down for it! She said: "There was one time I was serenaded, and it was I think just...