The 27-year-old from Southall was driving his silver Peugeot 206 with girlfriend Acacia Smith with him when he came off the road and crashed into a lamppost in 2016.
The nursery nurse, who was described as “beautiful” and “inspirational” following her death, had worked at several nurseries in Acton and had ambitions of opening a crèche of her own.
Henry Fitch, prosecuting, told an earlier hearing that Mr Kearney was allegedly driving at around “87-91mph” in a 30mph zone.
Mr Kearney, from McNair Road, entered his not guilty plea to a single charge of death by dangerous driving in front of friends and family. He was granted bail.
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