Donald Trump Jr . and his new girlfriend , Bettina Anderson , showed off how hot they are for one another at the Mar-a-Lago New Year's Eve party. The couple officially made their public debut at the big-time bash despite some believing the socialite is simply "using" the president-elect's oldest child, Knewz.com can reveal. Trump Jr. and Anderson were all smiles as they walked the red carpet and entered the famous Florida club to party. The 47-year-old kept it classic as he wore a tuxedo while

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