Jennifer Lopez had an incredible start to the year as she launched her much-anticipated JLo Beauty line on 31 December.The Jenny from the Block hitmaker held an intimate party to mark her debut collection, which was attended by her family, including her lookalike mother Guadalupe.MORE: Jennifer Lopez reveals major family change involving twins Emme and MaxThe 75-year-old was pictured at the event in a photo shared on Jennifer's Instagram account, looking glamorous in a floor-length black dress