Sami Sheen is feeling confident and cute after her recent plastic surgery. On Thursday, December 7, the 19-year-old daughter of exes Charlie Sheen and Denise Richards shared photos of herself via Instagram for the first time since getting a “new rack” last month. “Date night @sisigizz 🍜,” Sami captioned the carousel of images from her and a friend’s enjoyable time eating noodles together. Her enlarged chest area was hard to miss, as Sami’s newest accessories nearly popped through her white tank top — which she paired with low-rise, cargo-styled blue jeans, an oversized camouflage jacket and sm…