Fashion loves collaboration

There is no limit to fashion.
Collaboration and business expansion are no news for fashion brands.
Is fashion the common denominator of lifestyle territory?

<Collaboration>
Fashion brand & Fashion brand: Colleagues
- UNIQLO + Jill Sander (+J)
- H&M + Karl Lagerfeld / Comme des Garcons / Sonia Rykiel / Versace / Jimmy Choo / Marni...

Fashion brand & Fashion retailer: Crocodile and crocodile bird
- Nike + Liberty
- Colette Paris
- 10 Corso Como Seoul...

Fashion brand & Drinks: Affair
- Paul Smith + Evian
- Karl Lagerfeld + Coca Cola
- Missoni + S.Pellegrino
- Tom Ford + Absolut...

Fashion brand & Car: Noble birth
- HERMES +SMART
- Prade + Hyundai
- Gucci + FIAT
- Giorgio Armani + Mercedes Benz
- Breitling + Bentley...

<Business expansion>
- Hotel: Giorgio Armani, Bvlgari
- Cafe: D&G
- Furniture: Giorgio Armani, Versace
- Homewear: Hermes, Ralf Lauren...

(My recent visit to MARNI at H&M)

Design elements are all linked somehow, and well mix & match brings synergy effect.
However, the question is, 'how can I find the most reliable link?'

http://www.style.co.kr/allure/fashionfeature/ff_view.asp?menu_id=05050300&c_idx=010105030002545&page=8&sch_type=&sch_text=&sch_oper=Or&sch_sort=1&sch_view=1