Samantha Kidd, 44, pleaded guilty to four counts of assault by beating of the 54-year-old wheelchair-bound star days before she was due to face a two-day trial last month.
Brighton Magistrates' Court heard that unemployed Kidd tried to throttle him, slapped him on the the face and chest and kicked him.
Kidd, of High Street, Seaford, dressed in a floral dress, showed no emotion as district judge William Ashworth sentenced her to five months' prison, concurrent on each count, and imposed a restraining order
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A damp and cold night ahead. Valentine's Day will start cloudy but become brighter in the afternoon. Risk of showers along the Kent coast.
Cold and damp tonight with outbreaks of rain. A cold and dull start to Valentine's Day but becoming drier and brighter by the afternoon.
Rain turning more patchy this afternoon but more persistent along the coast. Feeling cold in the brisk north-easterly wind.