At noon tomorrow, Newbury Street will spontaneously transform into a catwalk. Models will strike poses wearing Boston's hottest summer fashions during this exciting event, which takes place in the courtyard of the School of Fashion Design, 136 Newbury Street, Boston. Tomorrow is the first in a series of Fashion Fridays, hosted by the School of Fashion Design and produced by Boston Event Guide, which will be held on the third Friday of each month this summer. Each event will feature a different selection of Boston's chicest designers in a 20-minute show. Tomorrow's featured designers include j.rae jewels and fashion designer Christina Defalco. The event is free and open to the public. For more information, go to www.bostoneventguide.com or call 781-444-7771.