The former VP candidate and Alaska governor, 45, had extended Johnston, 19, the holiday invite to the family compound on Lake Lucille in Wasilla when she appeared on TV with Oprah Winfrey to promote her new memoir, Going Rogue: An American Life. Palin told the talk-show queen, "It's lovely to think that he would ever even consider such a thing.”
The teen reportedly told Playgirl, for whom he has posed, that this was "a nice gesture, but she didn't mean it." The nude model also said having dinner with the Palins would be "awkward."
Furthermore, when Johnston was asked about the former governor's disappointment that he recently shed his clothes for Playgirl, which she termed "porn," Johnston told E! Online, "You know what, I don't care if she sees them … Who cares about what she says or does? I don't care."
Johnston also recently announced plans to file for joint custody of her 10-month old grandson Tripp, whom he had with Palin daughter Bristol, 19.