On Friday, Ms Rayner opted for a bright green ME+EM trouser suit, costing £550, to stride up to the doors of 10 Downing Street to meet the new prime minister and secure her position in the Cabinet.
On Saturday, she attended her first Cabinet meeting in an orange £227 ME+EM dress, while on Sunday, she arrived for a meeting with Sir Keir in a red cap sleeve ME+EM midi dress costing £325.
Meanwhile, Lady Starmer wore a £295 ME+EM cream short-sleeved crop jacket at the election count on Thursday night, a poppy-red short-sleeved gown at Downing Street on Friday and a green flower-print dress at Sandown races on Saturday.