Complex sentence: In 2007, Tisdale appeared in promotional campaigns for Staples, T-Mobile, Toys "R" Us, and the Eckō Red clothing brand; the later included a mall tour in the US, featuring performances in fashion shows.
Split into simpler sentences: In 2007, Tisdale appeared in promotional campaigns for Staples, T-Mobile, Toys "R" Us, and the Eckō Red clothing brand. Her deal with Eckō included a mall tour in the US, featuring performances in fashion shows.