Conversation so far:
What was Salvador Dalí's fashion?
Salvador Dalí's cooperation with Italian fashion designer Elsa Schiaparelli was well-known, when Dalí was commissioned to produce a white dress with a lobster print.
Why was Salvador Dalí commissioned to produce a white dress with lobster print?
Did Salvador Dalí work with any other designers besides Elsa Schiaparelli?
In 1950, Salvador Dalí created a special costume for the year 2045 with Christian Dior.
Where was the Christian Dior dress Salvador Dalí designed with Christian Dior introduced?

Question: Were these his only two times working with a designer?
Self-contained rewrite: Were Salvador Dalí working with Elsa Schiaparelli and with Christian Dior his only two times working with a designer?