The power couple:

Aries + Leo
Taurus + Virgo
Gemini + Sagittarius
Cancer + Pisces
Libra + Aquarius
Scorpio + Capricorn

The PDA couple:

Aries + Scorpio
Taurus + Pisces
Gemini + Libra
Cancer + Capricorn
Leo + Sagittarius
Virgo + Aquarius

The always fighting couple:

Aries + Capricorn
Taurus + Sagittarius
Gemini + Cancer
Libra + Scorpio
Aquarius + Leo
Pisces + Aquarius

The couple everyone ships:

Aries + Libra
Taurus + Scorpio
Gemini + Sagittarius
Capricorn + Cancer
Aquarius + Leo
Pisces + Virgo

The best friends couple:

Aries + Gemini
Taurus + Virgo
Libra + Sagittarius
Scorpio + Cancer
Aquarius + Leo
Pisces + Capricorn

Phew. That took a while. Hope you liked it! These might not be right, but I found them pretty cool.