Khloé Kardashian is feeling herself! According to an insider, the reality TV personality, 40, believes she’s never looked better after undergoing a few procedures and dropping some extra pounds. “Khloé went ahead and got this highly sophisticated procedure that has really tightened up her jawline. It’s gotten rid of the excess fat and lax skin, and she’s loving it,” the source spilled. “Her profile is snatched now, and she’s constantly bragging about how good she looks.” The confidante said the mother-of-two — who shares daughter True, 6, and son Tatum, 2, with ex Tristan Thompson — is “unapol…